Update copyright years.

From-SVN: r279813

331 files changed, 331 insertions, 331 deletions

diff --git a/libstdc++-v3/testsuite/experimental/algorithm/sample-2.cc b/libstdc++-v3/testsuite/experimental/algorithm/sample-2.cc
index 0784ce3d05d..f036e5cca8e 100644
--- a/libstdc++-v3/testsuite/experimental/algorithm/sample-2.cc
+++ b/libstdc++-v3/testsuite/experimental/algorithm/sample-2.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2018-2019 Free Software Foundation, Inc.
+// Copyright (C) 2018-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/algorithm/sample.cc b/libstdc++-v3/testsuite/experimental/algorithm/sample.cc
index d3683a5b9a3..d1d07c0edad 100644
--- a/libstdc++-v3/testsuite/experimental/algorithm/sample.cc
+++ b/libstdc++-v3/testsuite/experimental/algorithm/sample.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/algorithm/search.cc b/libstdc++-v3/testsuite/experimental/algorithm/search.cc
index ee366148a74..08913bd71b2 100644
--- a/libstdc++-v3/testsuite/experimental/algorithm/search.cc
+++ b/libstdc++-v3/testsuite/experimental/algorithm/search.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/algorithm/shuffle.cc b/libstdc++-v3/testsuite/experimental/algorithm/shuffle.cc
index 7de7a9a0001..d37f1534d12 100644
--- a/libstdc++-v3/testsuite/experimental/algorithm/shuffle.cc
+++ b/libstdc++-v3/testsuite/experimental/algorithm/shuffle.cc
@@ -6,7 +6,7 @@
 
 // Derived from: 2010-03-19  Paolo Carlini  <paolo.carlini@oracle.com>
 
-// Copyright (C) 2010-2019 Free Software Foundation, Inc.
+// Copyright (C) 2010-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/any/assign/1.cc b/libstdc++-v3/testsuite/experimental/any/assign/1.cc
index 3f33188fd8c..2463c0c9ec6 100644
--- a/libstdc++-v3/testsuite/experimental/any/assign/1.cc
+++ b/libstdc++-v3/testsuite/experimental/any/assign/1.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/any/assign/2.cc b/libstdc++-v3/testsuite/experimental/any/assign/2.cc
index a3eccf039c0..e38455bdaa8 100644
--- a/libstdc++-v3/testsuite/experimental/any/assign/2.cc
+++ b/libstdc++-v3/testsuite/experimental/any/assign/2.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/any/assign/exception.cc b/libstdc++-v3/testsuite/experimental/any/assign/exception.cc
index 1a9a4f6576a..95afe60e9e5 100644
--- a/libstdc++-v3/testsuite/experimental/any/assign/exception.cc
+++ b/libstdc++-v3/testsuite/experimental/any/assign/exception.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2016-2019 Free Software Foundation, Inc.
+// Copyright (C) 2016-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/any/assign/self.cc b/libstdc++-v3/testsuite/experimental/any/assign/self.cc
index 7a8f818b6a5..98de2a3d70d 100644
--- a/libstdc++-v3/testsuite/experimental/any/assign/self.cc
+++ b/libstdc++-v3/testsuite/experimental/any/assign/self.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/any/cons/1.cc b/libstdc++-v3/testsuite/experimental/any/cons/1.cc
index 0420e6dbbb4..6b2731eb074 100644
--- a/libstdc++-v3/testsuite/experimental/any/cons/1.cc
+++ b/libstdc++-v3/testsuite/experimental/any/cons/1.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/any/cons/2.cc b/libstdc++-v3/testsuite/experimental/any/cons/2.cc
index ce897310f90..d6af4475462 100644
--- a/libstdc++-v3/testsuite/experimental/any/cons/2.cc
+++ b/libstdc++-v3/testsuite/experimental/any/cons/2.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/any/cons/aligned.cc b/libstdc++-v3/testsuite/experimental/any/cons/aligned.cc
index 296c36f5f01..03c857ca666 100644
--- a/libstdc++-v3/testsuite/experimental/any/cons/aligned.cc
+++ b/libstdc++-v3/testsuite/experimental/any/cons/aligned.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/any/cons/nontrivial.cc b/libstdc++-v3/testsuite/experimental/any/cons/nontrivial.cc
index 338c8125350..c68d7ba8992 100644
--- a/libstdc++-v3/testsuite/experimental/any/cons/nontrivial.cc
+++ b/libstdc++-v3/testsuite/experimental/any/cons/nontrivial.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/any/misc/any_cast.cc b/libstdc++-v3/testsuite/experimental/any/misc/any_cast.cc
index be1e86e8c70..8b377de426d 100644
--- a/libstdc++-v3/testsuite/experimental/any/misc/any_cast.cc
+++ b/libstdc++-v3/testsuite/experimental/any/misc/any_cast.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/any/misc/any_cast_neg.cc b/libstdc++-v3/testsuite/experimental/any/misc/any_cast_neg.cc
index 8498c740029..a12a93a796b 100644
--- a/libstdc++-v3/testsuite/experimental/any/misc/any_cast_neg.cc
+++ b/libstdc++-v3/testsuite/experimental/any/misc/any_cast_neg.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/any/misc/any_cast_no_rtti.cc b/libstdc++-v3/testsuite/experimental/any/misc/any_cast_no_rtti.cc
index 92e7a37f96d..90ff1607af8 100644
--- a/libstdc++-v3/testsuite/experimental/any/misc/any_cast_no_rtti.cc
+++ b/libstdc++-v3/testsuite/experimental/any/misc/any_cast_no_rtti.cc
@@ -1,7 +1,7 @@
 // { dg-options "-fno-rtti" }
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/any/misc/swap.cc b/libstdc++-v3/testsuite/experimental/any/misc/swap.cc
index a0ef19332a0..d3cf79385d8 100644
--- a/libstdc++-v3/testsuite/experimental/any/misc/swap.cc
+++ b/libstdc++-v3/testsuite/experimental/any/misc/swap.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/any/modifiers/1.cc b/libstdc++-v3/testsuite/experimental/any/modifiers/1.cc
index 92f5dbde6b9..c3413ba4bbb 100644
--- a/libstdc++-v3/testsuite/experimental/any/modifiers/1.cc
+++ b/libstdc++-v3/testsuite/experimental/any/modifiers/1.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/any/observers/type.cc b/libstdc++-v3/testsuite/experimental/any/observers/type.cc
index 10cff85dc64..ed0e101deef 100644
--- a/libstdc++-v3/testsuite/experimental/any/observers/type.cc
+++ b/libstdc++-v3/testsuite/experimental/any/observers/type.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/any/typedefs.cc b/libstdc++-v3/testsuite/experimental/any/typedefs.cc
index 775bfbc115c..7f28067148c 100644
--- a/libstdc++-v3/testsuite/experimental/any/typedefs.cc
+++ b/libstdc++-v3/testsuite/experimental/any/typedefs.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/array/make_array.cc b/libstdc++-v3/testsuite/experimental/array/make_array.cc
index 22867fb8d50..75431ac9bf5 100644
--- a/libstdc++-v3/testsuite/experimental/array/make_array.cc
+++ b/libstdc++-v3/testsuite/experimental/array/make_array.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/array/neg.cc b/libstdc++-v3/testsuite/experimental/array/neg.cc
index a602dc8ef4e..c3aa7ae0d66 100644
--- a/libstdc++-v3/testsuite/experimental/array/neg.cc
+++ b/libstdc++-v3/testsuite/experimental/array/neg.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/chrono/value.cc b/libstdc++-v3/testsuite/experimental/chrono/value.cc
index 10be649b126..0c501501cdc 100644
--- a/libstdc++-v3/testsuite/experimental/chrono/value.cc
+++ b/libstdc++-v3/testsuite/experimental/chrono/value.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/deque/erasure.cc b/libstdc++-v3/testsuite/experimental/deque/erasure.cc
index 37787c3a261..3ab11e38e58 100644
--- a/libstdc++-v3/testsuite/experimental/deque/erasure.cc
+++ b/libstdc++-v3/testsuite/experimental/deque/erasure.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/file_status/1.cc b/libstdc++-v3/testsuite/experimental/filesystem/file_status/1.cc
index 256d3231aea..4918b9408c0 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/file_status/1.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/file_status/1.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2017-2019 Free Software Foundation, Inc.
+// Copyright (C) 2017-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/filesystem_error/cons.cc b/libstdc++-v3/testsuite/experimental/filesystem/filesystem_error/cons.cc
index a08852df1e3..19dcc2a19bf 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/filesystem_error/cons.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/filesystem_error/cons.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2018-2019 Free Software Foundation, Inc.
+// Copyright (C) 2018-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/iterators/directory_iterator.cc b/libstdc++-v3/testsuite/experimental/filesystem/iterators/directory_iterator.cc
index cc3cd879865..82f39aa347f 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/iterators/directory_iterator.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/iterators/directory_iterator.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/iterators/pop.cc b/libstdc++-v3/testsuite/experimental/filesystem/iterators/pop.cc
index 159eae13d45..f0a271f9bad 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/iterators/pop.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/iterators/pop.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2016-2019 Free Software Foundation, Inc.
+// Copyright (C) 2016-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/iterators/recursive_directory_iterator.cc b/libstdc++-v3/testsuite/experimental/filesystem/iterators/recursive_directory_iterator.cc
index 6217aca8b9a..1c073e125f9 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/iterators/recursive_directory_iterator.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/iterators/recursive_directory_iterator.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/operations/absolute.cc b/libstdc++-v3/testsuite/experimental/filesystem/operations/absolute.cc
index ebe8bd344fc..5c9627f63b6 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/operations/absolute.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/operations/absolute.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++11 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/operations/canonical.cc b/libstdc++-v3/testsuite/experimental/filesystem/operations/canonical.cc
index 7fad6c0317d..6c9e0c2e123 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/operations/canonical.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/operations/canonical.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/operations/copy.cc b/libstdc++-v3/testsuite/experimental/filesystem/operations/copy.cc
index 61028111fc3..e1bda0ffb6f 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/operations/copy.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/operations/copy.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++11 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/operations/copy_file.cc b/libstdc++-v3/testsuite/experimental/filesystem/operations/copy_file.cc
index 86fa05ce4e0..62b302a00c4 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/operations/copy_file.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/operations/copy_file.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2016-2019 Free Software Foundation, Inc.
+// Copyright (C) 2016-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/operations/create_directories.cc b/libstdc++-v3/testsuite/experimental/filesystem/operations/create_directories.cc
index b6909b630d4..064c30b5b21 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/operations/create_directories.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/operations/create_directories.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/operations/create_directory.cc b/libstdc++-v3/testsuite/experimental/filesystem/operations/create_directory.cc
index 3a79d6622b9..a39a456133a 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/operations/create_directory.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/operations/create_directory.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2016-2019 Free Software Foundation, Inc.
+// Copyright (C) 2016-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/operations/create_symlink.cc b/libstdc++-v3/testsuite/experimental/filesystem/operations/create_symlink.cc
index 32a2e3fbc71..57b1ce52c80 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/operations/create_symlink.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/operations/create_symlink.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2016-2019 Free Software Foundation, Inc.
+// Copyright (C) 2016-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/operations/current_path.cc b/libstdc++-v3/testsuite/experimental/filesystem/operations/current_path.cc
index 9c41da6e11b..fbc42dfbce7 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/operations/current_path.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/operations/current_path.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++11 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/operations/equivalent.cc b/libstdc++-v3/testsuite/experimental/filesystem/operations/equivalent.cc
index 5e6b35de97c..bffb7e2d8b3 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/operations/equivalent.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/operations/equivalent.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2016-2019 Free Software Foundation, Inc.
+// Copyright (C) 2016-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/operations/exists.cc b/libstdc++-v3/testsuite/experimental/filesystem/operations/exists.cc
index bb29b476015..26cb6be8eec 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/operations/exists.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/operations/exists.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/operations/file_size.cc b/libstdc++-v3/testsuite/experimental/filesystem/operations/file_size.cc
index b54776aa33f..f609da7f395 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/operations/file_size.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/operations/file_size.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/operations/is_empty.cc b/libstdc++-v3/testsuite/experimental/filesystem/operations/is_empty.cc
index 1168ec78b4c..6fd4f531ccd 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/operations/is_empty.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/operations/is_empty.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2016-2019 Free Software Foundation, Inc.
+// Copyright (C) 2016-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/operations/last_write_time.cc b/libstdc++-v3/testsuite/experimental/filesystem/operations/last_write_time.cc
index 1bbc37408c3..4e3ea6754f9 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/operations/last_write_time.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/operations/last_write_time.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2016-2019 Free Software Foundation, Inc.
+// Copyright (C) 2016-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/operations/permissions.cc b/libstdc++-v3/testsuite/experimental/filesystem/operations/permissions.cc
index 6d904b2bed7..faf634ec45a 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/operations/permissions.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/operations/permissions.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2016-2019 Free Software Foundation, Inc.
+// Copyright (C) 2016-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/operations/read_symlink.cc b/libstdc++-v3/testsuite/experimental/filesystem/operations/read_symlink.cc
index b604c966190..bc98b086f6e 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/operations/read_symlink.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/operations/read_symlink.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2016-2019 Free Software Foundation, Inc.
+// Copyright (C) 2016-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/operations/remove.cc b/libstdc++-v3/testsuite/experimental/filesystem/operations/remove.cc
index 36672074938..4bed583d15c 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/operations/remove.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/operations/remove.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2018-2019 Free Software Foundation, Inc.
+// Copyright (C) 2018-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/operations/remove_all.cc b/libstdc++-v3/testsuite/experimental/filesystem/operations/remove_all.cc
index 99fb14a71d7..9e46c762f88 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/operations/remove_all.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/operations/remove_all.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2016-2019 Free Software Foundation, Inc.
+// Copyright (C) 2016-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/operations/space.cc b/libstdc++-v3/testsuite/experimental/filesystem/operations/space.cc
index f68937e36f7..bd3af95bc9b 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/operations/space.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/operations/space.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2017-2019 Free Software Foundation, Inc.
+// Copyright (C) 2017-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/operations/status.cc b/libstdc++-v3/testsuite/experimental/filesystem/operations/status.cc
index 82e7564a925..5c89d7920cd 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/operations/status.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/operations/status.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/operations/temp_directory_path.cc b/libstdc++-v3/testsuite/experimental/filesystem/operations/temp_directory_path.cc
index c7c5b2dc812..3791a0108d7 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/operations/temp_directory_path.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/operations/temp_directory_path.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/append/path.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/append/path.cc
index a11c09d3f26..bf0b4781530 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/append/path.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/append/path.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++11 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/assign/assign.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/assign/assign.cc
index 54216c2992e..c54613241ef 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/assign/assign.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/assign/assign.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++11 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/assign/copy.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/assign/copy.cc
index 850334b0d17..2f793600324 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/assign/copy.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/assign/copy.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++11 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/compare/compare.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/compare/compare.cc
index 216804896f3..8d31f95a223 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/compare/compare.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/compare/compare.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++11 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/compare/path.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/compare/path.cc
index 4f57ccf999c..5228d0a8ca8 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/compare/path.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/compare/path.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++11 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/compare/strings.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/compare/strings.cc
index ec4bf754db6..870a253f511 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/compare/strings.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/compare/strings.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++11 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/concat/path.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/concat/path.cc
index ea4f67379a7..fa53e0d3919 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/concat/path.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/concat/path.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++11 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/concat/strings.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/concat/strings.cc
index b2c9acb7cb4..006352ca141 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/concat/strings.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/concat/strings.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++11 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/construct/80762.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/construct/80762.cc
index 98dadabcffb..bc3cd703cb9 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/construct/80762.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/construct/80762.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2018-2019 Free Software Foundation, Inc.
+// Copyright (C) 2018-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/construct/90281.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/construct/90281.cc
index 3640b00ec53..389e0f238f9 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/construct/90281.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/construct/90281.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2019 Free Software Foundation, Inc.
+// Copyright (C) 2019-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/construct/90634.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/construct/90634.cc
index 6dce1df3d63..bbc5371a9a7 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/construct/90634.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/construct/90634.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2019 Free Software Foundation, Inc.
+// Copyright (C) 2019-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/construct/copy.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/construct/copy.cc
index fe0884296b3..f075ba65e8a 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/construct/copy.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/construct/copy.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++11 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/construct/default.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/construct/default.cc
index 327bc3064e8..6c269c5fe78 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/construct/default.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/construct/default.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++11 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/construct/locale.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/construct/locale.cc
index 67bbe05ceb3..28b710c9997 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/construct/locale.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/construct/locale.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++11 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/construct/range.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/construct/range.cc
index a91db4ec21d..59071d9a9b5 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/construct/range.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/construct/range.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++11 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/construct/string_view.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/construct/string_view.cc
index fee2cdf2683..b88550dc97a 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/construct/string_view.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/construct/string_view.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++17 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2016-2019 Free Software Foundation, Inc.
+// Copyright (C) 2016-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/decompose/extension.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/decompose/extension.cc
index dd9b1f7f0b0..2d0b0882960 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/decompose/extension.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/decompose/extension.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++11 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/decompose/filename.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/decompose/filename.cc
index e9aad28ec61..066d7dcaba7 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/decompose/filename.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/decompose/filename.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++11 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/decompose/parent_path.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/decompose/parent_path.cc
index 5ae9a6a24c1..3f12fad0bcd 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/decompose/parent_path.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/decompose/parent_path.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++11 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/decompose/relative_path.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/decompose/relative_path.cc
index bf5c4befcee..43b5091bb65 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/decompose/relative_path.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/decompose/relative_path.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++11 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/decompose/root_directory.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/decompose/root_directory.cc
index 3b59dec38df..bbb500916e2 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/decompose/root_directory.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/decompose/root_directory.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++11 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/decompose/root_name.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/decompose/root_name.cc
index 03790af53b0..4e225cbe1e0 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/decompose/root_name.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/decompose/root_name.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++11 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/decompose/root_path.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/decompose/root_path.cc
index 7281e1d8cb1..dfd2cb0da24 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/decompose/root_path.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/decompose/root_path.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++11 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/decompose/stem.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/decompose/stem.cc
index f489df58d2f..996549d79d1 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/decompose/stem.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/decompose/stem.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++11 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/factory/u8path-char8_t.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/factory/u8path-char8_t.cc
index dc509c3f912..362ad093c1d 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/factory/u8path-char8_t.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/factory/u8path-char8_t.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2019 Free Software Foundation, Inc.
+// Copyright (C) 2019-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/factory/u8path.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/factory/u8path.cc
index 83219b7ddda..f3469358799 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/factory/u8path.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/factory/u8path.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2019 Free Software Foundation, Inc.
+// Copyright (C) 2019-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/generic/generic_string.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/generic/generic_string.cc
index 2788ebd3082..40b39d22023 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/generic/generic_string.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/generic/generic_string.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++11 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/itr/traversal.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/itr/traversal.cc
index 4e02364f7d5..83ee78b10ae 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/itr/traversal.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/itr/traversal.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++11 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/modifiers/clear.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/modifiers/clear.cc
index 865252dae7a..a881d0d3cd8 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/modifiers/clear.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/modifiers/clear.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++11 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/modifiers/make_preferred.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/modifiers/make_preferred.cc
index 3329753fad2..08b14a554f6 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/modifiers/make_preferred.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/modifiers/make_preferred.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++11 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/modifiers/remove_filename.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/modifiers/remove_filename.cc
index f672ca255b0..0537bf45461 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/modifiers/remove_filename.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/modifiers/remove_filename.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++11 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/modifiers/replace_extension.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/modifiers/replace_extension.cc
index f2da4346607..5053c72724f 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/modifiers/replace_extension.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/modifiers/replace_extension.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++11 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/modifiers/replace_filename.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/modifiers/replace_filename.cc
index c2cb3ece0cf..1d063b6e23f 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/modifiers/replace_filename.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/modifiers/replace_filename.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++11 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/modifiers/swap.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/modifiers/swap.cc
index 1ff106c2717..03cad5ab169 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/modifiers/swap.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/modifiers/swap.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++11 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/native/alloc.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/native/alloc.cc
index ef9ea67928f..c41b126a804 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/native/alloc.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/native/alloc.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2016-2019 Free Software Foundation, Inc.
+// Copyright (C) 2016-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/native/string-char8_t.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/native/string-char8_t.cc
index 091663f4e82..068273fa352 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/native/string-char8_t.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/native/string-char8_t.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2016-2017 Free Software Foundation, Inc.
+// Copyright (C) 2016-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/native/string.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/native/string.cc
index b78ba2b1dbf..11990754528 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/native/string.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/native/string.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2016-2019 Free Software Foundation, Inc.
+// Copyright (C) 2016-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/nonmember/hash_value.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/nonmember/hash_value.cc
index bfcb9e37e37..68534912ff0 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/nonmember/hash_value.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/nonmember/hash_value.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++11 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/preferred_separator.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/preferred_separator.cc
index bb4f15ea6af..7b0ffeba114 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/preferred_separator.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/preferred_separator.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2018-2019 Free Software Foundation, Inc.
+// Copyright (C) 2018-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/query/empty.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/query/empty.cc
index 2391ad19161..cf2c73b3fdf 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/query/empty.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/query/empty.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++11 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/query/has_extension.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/query/has_extension.cc
index b8175769524..3041e106f4d 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/query/has_extension.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/query/has_extension.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++11 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/query/has_filename.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/query/has_filename.cc
index 304076a0504..5fa4c6e4e58 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/query/has_filename.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/query/has_filename.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++11 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/query/has_parent_path.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/query/has_parent_path.cc
index 1ccc8c41642..5a16cf21b02 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/query/has_parent_path.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/query/has_parent_path.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++11 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/query/has_relative_path.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/query/has_relative_path.cc
index 49b35d839cc..8674bda74b2 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/query/has_relative_path.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/query/has_relative_path.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++11 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/query/has_root_directory.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/query/has_root_directory.cc
index a17da00ebc6..262d7a4a2af 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/query/has_root_directory.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/query/has_root_directory.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++11 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/query/has_root_name.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/query/has_root_name.cc
index d6ba5f94a0f..05cc30679f0 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/query/has_root_name.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/query/has_root_name.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++11 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/query/has_root_path.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/query/has_root_path.cc
index 476bc98e3b0..bd771932f8a 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/query/has_root_path.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/query/has_root_path.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++11 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/query/has_stem.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/query/has_stem.cc
index a2800b9a752..acb70d955f1 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/query/has_stem.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/query/has_stem.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++11 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/query/is_absolute.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/query/is_absolute.cc
index 8d780141c25..e122524350d 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/query/is_absolute.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/query/is_absolute.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++11 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2018-2019 Free Software Foundation, Inc.
+// Copyright (C) 2018-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/path/query/is_relative.cc b/libstdc++-v3/testsuite/experimental/filesystem/path/query/is_relative.cc
index 135164485fd..6071400cb64 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/path/query/is_relative.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/path/query/is_relative.cc
@@ -2,7 +2,7 @@
 // { dg-do run { target c++11 } }
 // { dg-require-filesystem-ts "" }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/forward_list/erasure.cc b/libstdc++-v3/testsuite/experimental/forward_list/erasure.cc
index fd3a257cc86..26b25135bd2 100644
--- a/libstdc++-v3/testsuite/experimental/forward_list/erasure.cc
+++ b/libstdc++-v3/testsuite/experimental/forward_list/erasure.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/functional/87538.cc b/libstdc++-v3/testsuite/experimental/functional/87538.cc
index afbccc3d763..9705d0e8d06 100644
--- a/libstdc++-v3/testsuite/experimental/functional/87538.cc
+++ b/libstdc++-v3/testsuite/experimental/functional/87538.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2018-2019 Free Software Foundation, Inc.
+// Copyright (C) 2018-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/functional/not_fn.cc b/libstdc++-v3/testsuite/experimental/functional/not_fn.cc
index 8017a31abbe..183a1c99a6d 100644
--- a/libstdc++-v3/testsuite/experimental/functional/not_fn.cc
+++ b/libstdc++-v3/testsuite/experimental/functional/not_fn.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/functional/searchers.cc b/libstdc++-v3/testsuite/experimental/functional/searchers.cc
index 4bec885520f..f12aee7d7e5 100644
--- a/libstdc++-v3/testsuite/experimental/functional/searchers.cc
+++ b/libstdc++-v3/testsuite/experimental/functional/searchers.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/functional/value.cc b/libstdc++-v3/testsuite/experimental/functional/value.cc
index aeac920a844..e62d47a0030 100644
--- a/libstdc++-v3/testsuite/experimental/functional/value.cc
+++ b/libstdc++-v3/testsuite/experimental/functional/value.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/iterator/make_ostream_joiner.cc b/libstdc++-v3/testsuite/experimental/iterator/make_ostream_joiner.cc
index 9e8ed93dfe1..3f4e9acabd0 100644
--- a/libstdc++-v3/testsuite/experimental/iterator/make_ostream_joiner.cc
+++ b/libstdc++-v3/testsuite/experimental/iterator/make_ostream_joiner.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/iterator/ostream_joiner.cc b/libstdc++-v3/testsuite/experimental/iterator/ostream_joiner.cc
index 2433abe2365..04dee5f6be9 100644
--- a/libstdc++-v3/testsuite/experimental/iterator/ostream_joiner.cc
+++ b/libstdc++-v3/testsuite/experimental/iterator/ostream_joiner.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/iterator/requirements.cc b/libstdc++-v3/testsuite/experimental/iterator/requirements.cc
index 734cc170e9e..3faf39e42c5 100644
--- a/libstdc++-v3/testsuite/experimental/iterator/requirements.cc
+++ b/libstdc++-v3/testsuite/experimental/iterator/requirements.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/list/erasure.cc b/libstdc++-v3/testsuite/experimental/list/erasure.cc
index 5927079dc2c..503f599d8f6 100644
--- a/libstdc++-v3/testsuite/experimental/list/erasure.cc
+++ b/libstdc++-v3/testsuite/experimental/list/erasure.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/map/erasure.cc b/libstdc++-v3/testsuite/experimental/map/erasure.cc
index aa3d42da299..5877937ff4c 100644
--- a/libstdc++-v3/testsuite/experimental/map/erasure.cc
+++ b/libstdc++-v3/testsuite/experimental/map/erasure.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/memory/observer_ptr/assignment/assign.cc b/libstdc++-v3/testsuite/experimental/memory/observer_ptr/assignment/assign.cc
index 49f6e29da7a..12b693be400 100644
--- a/libstdc++-v3/testsuite/experimental/memory/observer_ptr/assignment/assign.cc
+++ b/libstdc++-v3/testsuite/experimental/memory/observer_ptr/assignment/assign.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/memory/observer_ptr/cons/cons.cc b/libstdc++-v3/testsuite/experimental/memory/observer_ptr/cons/cons.cc
index 3dad6f07bb8..4b29da22469 100644
--- a/libstdc++-v3/testsuite/experimental/memory/observer_ptr/cons/cons.cc
+++ b/libstdc++-v3/testsuite/experimental/memory/observer_ptr/cons/cons.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/memory/observer_ptr/hash/hash.cc b/libstdc++-v3/testsuite/experimental/memory/observer_ptr/hash/hash.cc
index a70d0955ca3..2bf5ea97347 100644
--- a/libstdc++-v3/testsuite/experimental/memory/observer_ptr/hash/hash.cc
+++ b/libstdc++-v3/testsuite/experimental/memory/observer_ptr/hash/hash.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/memory/observer_ptr/make_observer.cc b/libstdc++-v3/testsuite/experimental/memory/observer_ptr/make_observer.cc
index 2326d3ebddd..121e99e96f0 100644
--- a/libstdc++-v3/testsuite/experimental/memory/observer_ptr/make_observer.cc
+++ b/libstdc++-v3/testsuite/experimental/memory/observer_ptr/make_observer.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/memory/observer_ptr/relops/relops.cc b/libstdc++-v3/testsuite/experimental/memory/observer_ptr/relops/relops.cc
index f4c20dd0bc1..058f0551f45 100644
--- a/libstdc++-v3/testsuite/experimental/memory/observer_ptr/relops/relops.cc
+++ b/libstdc++-v3/testsuite/experimental/memory/observer_ptr/relops/relops.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/memory/observer_ptr/requirements.cc b/libstdc++-v3/testsuite/experimental/memory/observer_ptr/requirements.cc
index 7995de69e82..264a9598d4a 100644
--- a/libstdc++-v3/testsuite/experimental/memory/observer_ptr/requirements.cc
+++ b/libstdc++-v3/testsuite/experimental/memory/observer_ptr/requirements.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/memory/observer_ptr/swap/swap.cc b/libstdc++-v3/testsuite/experimental/memory/observer_ptr/swap/swap.cc
index 5ca5671795f..974c55a7065 100644
--- a/libstdc++-v3/testsuite/experimental/memory/observer_ptr/swap/swap.cc
+++ b/libstdc++-v3/testsuite/experimental/memory/observer_ptr/swap/swap.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/memory/observer_ptr/typedefs.cc b/libstdc++-v3/testsuite/experimental/memory/observer_ptr/typedefs.cc
index 4b9b57d05b0..a6ba0b47289 100644
--- a/libstdc++-v3/testsuite/experimental/memory/observer_ptr/typedefs.cc
+++ b/libstdc++-v3/testsuite/experimental/memory/observer_ptr/typedefs.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/assign/assign.cc b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/assign/assign.cc
index 624a8877c35..09cfabea7b4 100644
--- a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/assign/assign.cc
+++ b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/assign/assign.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cast/cast.cc b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cast/cast.cc
index 188e217127e..c507c8cecea 100644
--- a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cast/cast.cc
+++ b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cast/cast.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/comparison/comparison.cc b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/comparison/comparison.cc
index 94ec36ae0d2..038c52003fc 100644
--- a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/comparison/comparison.cc
+++ b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/comparison/comparison.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/alias_ctor.cc b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/alias_ctor.cc
index 8f4a92b1173..8365c2a4e26 100644
--- a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/alias_ctor.cc
+++ b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/alias_ctor.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/alloc_ctor.cc b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/alloc_ctor.cc
index 24f85fef7db..39edda80c6e 100644
--- a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/alloc_ctor.cc
+++ b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/alloc_ctor.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/copy_ctor.cc b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/copy_ctor.cc
index b4ac3557682..dd28f295d00 100644
--- a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/copy_ctor.cc
+++ b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/copy_ctor.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/copy_ctor_neg.cc b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/copy_ctor_neg.cc
index 89f7fc9bb12..707512882bc 100644
--- a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/copy_ctor_neg.cc
+++ b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/copy_ctor_neg.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/default_ctor.cc b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/default_ctor.cc
index c99d46fca8b..1b21a8493ef 100644
--- a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/default_ctor.cc
+++ b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/default_ctor.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/enable_shared_from_this.cc b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/enable_shared_from_this.cc
index 947c5123e41..58e85ccff2d 100644
--- a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/enable_shared_from_this.cc
+++ b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/enable_shared_from_this.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2016-2019 Free Software Foundation, Inc.
+// Copyright (C) 2016-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/move_ctor.cc b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/move_ctor.cc
index aa47b63413a..285b7413d08 100644
--- a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/move_ctor.cc
+++ b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/move_ctor.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/pointer_ctor.cc b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/pointer_ctor.cc
index 564a5c494b2..250ee9ad598 100644
--- a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/pointer_ctor.cc
+++ b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/pointer_ctor.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/pointer_ctor_neg.cc b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/pointer_ctor_neg.cc
index 2fb5b086c52..f94e5fc8641 100644
--- a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/pointer_ctor_neg.cc
+++ b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/pointer_ctor_neg.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2016-2019 Free Software Foundation, Inc.
+// Copyright (C) 2016-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/torture.cc b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/torture.cc
index 0247c40ed1b..12adf5befd4 100644
--- a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/torture.cc
+++ b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/torture.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2016-2019 Free Software Foundation, Inc.
+// Copyright (C) 2016-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/unique_ptr_ctor.cc b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/unique_ptr_ctor.cc
index be23571e0ef..da205a9922c 100644
--- a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/unique_ptr_ctor.cc
+++ b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/unique_ptr_ctor.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/weak_ptr_ctor.cc b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/weak_ptr_ctor.cc
index 08df647d77e..6869bf7c4d7 100644
--- a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/weak_ptr_ctor.cc
+++ b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/weak_ptr_ctor.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/dest/dest.cc b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/dest/dest.cc
index ea49f682414..ce8e1a87510 100644
--- a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/dest/dest.cc
+++ b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/dest/dest.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/modifiers/reset.cc b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/modifiers/reset.cc
index 0e3f3336511..3d463a93852 100644
--- a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/modifiers/reset.cc
+++ b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/modifiers/reset.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/modifiers/reset_neg.cc b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/modifiers/reset_neg.cc
index 4ecd7027224..c4efb920647 100644
--- a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/modifiers/reset_neg.cc
+++ b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/modifiers/reset_neg.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2016-2019 Free Software Foundation, Inc.
+// Copyright (C) 2016-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/modifiers/swap.cc b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/modifiers/swap.cc
index d1d51e5f0ea..07021288e4e 100644
--- a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/modifiers/swap.cc
+++ b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/modifiers/swap.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/observers/bool_conv.cc b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/observers/bool_conv.cc
index 79de489e7af..c19489438d5 100644
--- a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/observers/bool_conv.cc
+++ b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/observers/bool_conv.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/observers/operators.cc b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/observers/operators.cc
index d05db89cbd1..c61813cfb83 100644
--- a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/observers/operators.cc
+++ b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/observers/operators.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/observers/owner_before.cc b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/observers/owner_before.cc
index 0d2787cf880..9cad11d0d23 100644
--- a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/observers/owner_before.cc
+++ b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/observers/owner_before.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/observers/use_count.cc b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/observers/use_count.cc
index 696ba565f9f..b8719d38562 100644
--- a/libstdc++-v3/testsuite/experimental/memory/shared_ptr/observers/use_count.cc
+++ b/libstdc++-v3/testsuite/experimental/memory/shared_ptr/observers/use_count.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/memory_resource/1.cc b/libstdc++-v3/testsuite/experimental/memory_resource/1.cc
index f8af1b680e0..77680c79af9 100644
--- a/libstdc++-v3/testsuite/experimental/memory_resource/1.cc
+++ b/libstdc++-v3/testsuite/experimental/memory_resource/1.cc
@@ -1,7 +1,7 @@
 // { dg-do run { target c++14 } }
 // { dg-require-atomic-builtins "" }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/memory_resource/70966.cc b/libstdc++-v3/testsuite/experimental/memory_resource/70966.cc
index 62f7958a0ab..738812cd02c 100644
--- a/libstdc++-v3/testsuite/experimental/memory_resource/70966.cc
+++ b/libstdc++-v3/testsuite/experimental/memory_resource/70966.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2018-2019 Free Software Foundation, Inc.
+// Copyright (C) 2018-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/memory_resource/new_delete_resource.cc b/libstdc++-v3/testsuite/experimental/memory_resource/new_delete_resource.cc
index 7dcb408f3f7..8a98954345c 100644
--- a/libstdc++-v3/testsuite/experimental/memory_resource/new_delete_resource.cc
+++ b/libstdc++-v3/testsuite/experimental/memory_resource/new_delete_resource.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2018-2019 Free Software Foundation, Inc.
+// Copyright (C) 2018-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/memory_resource/null_memory_resource.cc b/libstdc++-v3/testsuite/experimental/memory_resource/null_memory_resource.cc
index 0280662987f..01d4a949e98 100644
--- a/libstdc++-v3/testsuite/experimental/memory_resource/null_memory_resource.cc
+++ b/libstdc++-v3/testsuite/experimental/memory_resource/null_memory_resource.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2016-2019 Free Software Foundation, Inc.
+// Copyright (C) 2016-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/memory_resource/resource_adaptor.cc b/libstdc++-v3/testsuite/experimental/memory_resource/resource_adaptor.cc
index 56c8ffa2803..d16d93768b9 100644
--- a/libstdc++-v3/testsuite/experimental/memory_resource/resource_adaptor.cc
+++ b/libstdc++-v3/testsuite/experimental/memory_resource/resource_adaptor.cc
@@ -1,7 +1,7 @@
 // { dg-do run { target c++14 } }
 // { dg-require-cstdint "" }
 
-// Copyright (C) 2016-2019 Free Software Foundation, Inc.
+// Copyright (C) 2016-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/names.cc b/libstdc++-v3/testsuite/experimental/names.cc
index cfda34948af..e292fea8463 100644
--- a/libstdc++-v3/testsuite/experimental/names.cc
+++ b/libstdc++-v3/testsuite/experimental/names.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2017-2019 Free Software Foundation, Inc.
+// Copyright (C) 2017-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/net/buffer/arithmetic.cc b/libstdc++-v3/testsuite/experimental/net/buffer/arithmetic.cc
index 88c46bd3e84..5205b0b9190 100644
--- a/libstdc++-v3/testsuite/experimental/net/buffer/arithmetic.cc
+++ b/libstdc++-v3/testsuite/experimental/net/buffer/arithmetic.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/net/buffer/const.cc b/libstdc++-v3/testsuite/experimental/net/buffer/const.cc
index fbbf8dd08b5..d3fcf5e44a9 100644
--- a/libstdc++-v3/testsuite/experimental/net/buffer/const.cc
+++ b/libstdc++-v3/testsuite/experimental/net/buffer/const.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/net/buffer/creation.cc b/libstdc++-v3/testsuite/experimental/net/buffer/creation.cc
index a29ab22d86a..faceb75756d 100644
--- a/libstdc++-v3/testsuite/experimental/net/buffer/creation.cc
+++ b/libstdc++-v3/testsuite/experimental/net/buffer/creation.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/net/buffer/mutable.cc b/libstdc++-v3/testsuite/experimental/net/buffer/mutable.cc
index 823947a2b3c..430713962ee 100644
--- a/libstdc++-v3/testsuite/experimental/net/buffer/mutable.cc
+++ b/libstdc++-v3/testsuite/experimental/net/buffer/mutable.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/net/buffer/size.cc b/libstdc++-v3/testsuite/experimental/net/buffer/size.cc
index 7b2a6f657b3..bfbd5da5b1e 100644
--- a/libstdc++-v3/testsuite/experimental/net/buffer/size.cc
+++ b/libstdc++-v3/testsuite/experimental/net/buffer/size.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/net/buffer/traits.cc b/libstdc++-v3/testsuite/experimental/net/buffer/traits.cc
index 6f4e27c9235..16d17fda179 100644
--- a/libstdc++-v3/testsuite/experimental/net/buffer/traits.cc
+++ b/libstdc++-v3/testsuite/experimental/net/buffer/traits.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/net/execution_context/use_service.cc b/libstdc++-v3/testsuite/experimental/net/execution_context/use_service.cc
index 5b3087059cf..8a2d03fb1bb 100644
--- a/libstdc++-v3/testsuite/experimental/net/execution_context/use_service.cc
+++ b/libstdc++-v3/testsuite/experimental/net/execution_context/use_service.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/net/headers.cc b/libstdc++-v3/testsuite/experimental/net/headers.cc
index 1705d2da59c..957135bbf23 100644
--- a/libstdc++-v3/testsuite/experimental/net/headers.cc
+++ b/libstdc++-v3/testsuite/experimental/net/headers.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/net/internet/address/v4/comparisons.cc b/libstdc++-v3/testsuite/experimental/net/internet/address/v4/comparisons.cc
index 83a8bab88fa..098fc5e18e2 100644
--- a/libstdc++-v3/testsuite/experimental/net/internet/address/v4/comparisons.cc
+++ b/libstdc++-v3/testsuite/experimental/net/internet/address/v4/comparisons.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/net/internet/address/v4/cons.cc b/libstdc++-v3/testsuite/experimental/net/internet/address/v4/cons.cc
index 15774803c00..93c42c59b0f 100644
--- a/libstdc++-v3/testsuite/experimental/net/internet/address/v4/cons.cc
+++ b/libstdc++-v3/testsuite/experimental/net/internet/address/v4/cons.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/net/internet/address/v4/creation.cc b/libstdc++-v3/testsuite/experimental/net/internet/address/v4/creation.cc
index 5919845c2f7..0c49ae70c35 100644
--- a/libstdc++-v3/testsuite/experimental/net/internet/address/v4/creation.cc
+++ b/libstdc++-v3/testsuite/experimental/net/internet/address/v4/creation.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/net/internet/address/v4/members.cc b/libstdc++-v3/testsuite/experimental/net/internet/address/v4/members.cc
index 37ca8c81e32..63d70f7f5aa 100644
--- a/libstdc++-v3/testsuite/experimental/net/internet/address/v4/members.cc
+++ b/libstdc++-v3/testsuite/experimental/net/internet/address/v4/members.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/net/internet/resolver/base.cc b/libstdc++-v3/testsuite/experimental/net/internet/resolver/base.cc
index 746557af656..fb6b11b58d7 100644
--- a/libstdc++-v3/testsuite/experimental/net/internet/resolver/base.cc
+++ b/libstdc++-v3/testsuite/experimental/net/internet/resolver/base.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/net/internet/resolver/ops/lookup.cc b/libstdc++-v3/testsuite/experimental/net/internet/resolver/ops/lookup.cc
index 39fb7fd7708..e4aedd6218e 100644
--- a/libstdc++-v3/testsuite/experimental/net/internet/resolver/ops/lookup.cc
+++ b/libstdc++-v3/testsuite/experimental/net/internet/resolver/ops/lookup.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/net/internet/resolver/ops/reverse.cc b/libstdc++-v3/testsuite/experimental/net/internet/resolver/ops/reverse.cc
index 34ebe5eba70..f7223253fc6 100644
--- a/libstdc++-v3/testsuite/experimental/net/internet/resolver/ops/reverse.cc
+++ b/libstdc++-v3/testsuite/experimental/net/internet/resolver/ops/reverse.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/net/timer/waitable/cons.cc b/libstdc++-v3/testsuite/experimental/net/timer/waitable/cons.cc
index d1886e75f06..fdfdc718113 100644
--- a/libstdc++-v3/testsuite/experimental/net/timer/waitable/cons.cc
+++ b/libstdc++-v3/testsuite/experimental/net/timer/waitable/cons.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/net/timer/waitable/dest.cc b/libstdc++-v3/testsuite/experimental/net/timer/waitable/dest.cc
index cc3b6ee5658..180ad7c9993 100644
--- a/libstdc++-v3/testsuite/experimental/net/timer/waitable/dest.cc
+++ b/libstdc++-v3/testsuite/experimental/net/timer/waitable/dest.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/net/timer/waitable/ops.cc b/libstdc++-v3/testsuite/experimental/net/timer/waitable/ops.cc
index 0f89bec16cd..c9c5d21117a 100644
--- a/libstdc++-v3/testsuite/experimental/net/timer/waitable/ops.cc
+++ b/libstdc++-v3/testsuite/experimental/net/timer/waitable/ops.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/numeric/77801.cc b/libstdc++-v3/testsuite/experimental/numeric/77801.cc
index a40eff7a5ea..c85414db0aa 100644
--- a/libstdc++-v3/testsuite/experimental/numeric/77801.cc
+++ b/libstdc++-v3/testsuite/experimental/numeric/77801.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2016-2019 Free Software Foundation, Inc.
+// Copyright (C) 2016-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/numeric/gcd.cc b/libstdc++-v3/testsuite/experimental/numeric/gcd.cc
index dde603d85ac..33568cb1f3e 100644
--- a/libstdc++-v3/testsuite/experimental/numeric/gcd.cc
+++ b/libstdc++-v3/testsuite/experimental/numeric/gcd.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/numeric/lcm.cc b/libstdc++-v3/testsuite/experimental/numeric/lcm.cc
index 38db67ecc0c..f63be96f556 100644
--- a/libstdc++-v3/testsuite/experimental/numeric/lcm.cc
+++ b/libstdc++-v3/testsuite/experimental/numeric/lcm.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/77288.cc b/libstdc++-v3/testsuite/experimental/optional/77288.cc
index 339ba8e2def..70b9ae33681 100644
--- a/libstdc++-v3/testsuite/experimental/optional/77288.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/77288.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2016-2019 Free Software Foundation, Inc.
+// Copyright (C) 2016-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/assignment/1.cc b/libstdc++-v3/testsuite/experimental/optional/assignment/1.cc
index de590efd482..1e72558cddc 100644
--- a/libstdc++-v3/testsuite/experimental/optional/assignment/1.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/assignment/1.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/assignment/2.cc b/libstdc++-v3/testsuite/experimental/optional/assignment/2.cc
index 9f51087f4fe..b958cee7f05 100644
--- a/libstdc++-v3/testsuite/experimental/optional/assignment/2.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/assignment/2.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/assignment/3.cc b/libstdc++-v3/testsuite/experimental/optional/assignment/3.cc
index ec74803563c..5054d21c08f 100644
--- a/libstdc++-v3/testsuite/experimental/optional/assignment/3.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/assignment/3.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/assignment/4.cc b/libstdc++-v3/testsuite/experimental/optional/assignment/4.cc
index 480f02be7a7..2f81da296bf 100644
--- a/libstdc++-v3/testsuite/experimental/optional/assignment/4.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/assignment/4.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/assignment/5.cc b/libstdc++-v3/testsuite/experimental/optional/assignment/5.cc
index 2420102352d..1537bb7a2ba 100644
--- a/libstdc++-v3/testsuite/experimental/optional/assignment/5.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/assignment/5.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/assignment/6.cc b/libstdc++-v3/testsuite/experimental/optional/assignment/6.cc
index 844c97ccc2f..4bc21b13c22 100644
--- a/libstdc++-v3/testsuite/experimental/optional/assignment/6.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/assignment/6.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/cons/77727.cc b/libstdc++-v3/testsuite/experimental/optional/cons/77727.cc
index 5a1c7130dee..c3b3a70b005 100644
--- a/libstdc++-v3/testsuite/experimental/optional/cons/77727.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/cons/77727.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2016-2019 Free Software Foundation, Inc.
+// Copyright (C) 2016-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/cons/copy.cc b/libstdc++-v3/testsuite/experimental/optional/cons/copy.cc
index 5f57eb95f35..112c9f11f41 100644
--- a/libstdc++-v3/testsuite/experimental/optional/cons/copy.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/cons/copy.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/cons/default.cc b/libstdc++-v3/testsuite/experimental/optional/cons/default.cc
index 763a498da06..f217b7286ae 100644
--- a/libstdc++-v3/testsuite/experimental/optional/cons/default.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/cons/default.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/cons/move.cc b/libstdc++-v3/testsuite/experimental/optional/cons/move.cc
index ad83ade9469..68e6645ce7d 100644
--- a/libstdc++-v3/testsuite/experimental/optional/cons/move.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/cons/move.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/cons/value.cc b/libstdc++-v3/testsuite/experimental/optional/cons/value.cc
index f252ca02fc9..85eeab667f2 100644
--- a/libstdc++-v3/testsuite/experimental/optional/cons/value.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/cons/value.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/cons/value_neg.cc b/libstdc++-v3/testsuite/experimental/optional/cons/value_neg.cc
index 48ea548591a..ea562c86b68 100644
--- a/libstdc++-v3/testsuite/experimental/optional/cons/value_neg.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/cons/value_neg.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/constexpr/cons/default.cc b/libstdc++-v3/testsuite/experimental/optional/constexpr/cons/default.cc
index d59a047e168..27fddb457c8 100644
--- a/libstdc++-v3/testsuite/experimental/optional/constexpr/cons/default.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/constexpr/cons/default.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/constexpr/cons/value.cc b/libstdc++-v3/testsuite/experimental/optional/constexpr/cons/value.cc
index d80621fa5e6..2fc67b89a66 100644
--- a/libstdc++-v3/testsuite/experimental/optional/constexpr/cons/value.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/constexpr/cons/value.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/constexpr/in_place.cc b/libstdc++-v3/testsuite/experimental/optional/constexpr/in_place.cc
index ba1963cc63e..59f7f1c16e5 100644
--- a/libstdc++-v3/testsuite/experimental/optional/constexpr/in_place.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/constexpr/in_place.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/constexpr/make_optional.cc b/libstdc++-v3/testsuite/experimental/optional/constexpr/make_optional.cc
index 266bb26de53..2052be6e657 100644
--- a/libstdc++-v3/testsuite/experimental/optional/constexpr/make_optional.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/constexpr/make_optional.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/constexpr/nullopt.cc b/libstdc++-v3/testsuite/experimental/optional/constexpr/nullopt.cc
index 0ca02ad0ccd..3aa9d0c4c33 100644
--- a/libstdc++-v3/testsuite/experimental/optional/constexpr/nullopt.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/constexpr/nullopt.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/constexpr/observers/1.cc b/libstdc++-v3/testsuite/experimental/optional/constexpr/observers/1.cc
index 94cb54b9336..d97fa61e28f 100644
--- a/libstdc++-v3/testsuite/experimental/optional/constexpr/observers/1.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/constexpr/observers/1.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/constexpr/observers/2.cc b/libstdc++-v3/testsuite/experimental/optional/constexpr/observers/2.cc
index 01fa9e8278c..2b2f15c2744 100644
--- a/libstdc++-v3/testsuite/experimental/optional/constexpr/observers/2.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/constexpr/observers/2.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/constexpr/observers/3.cc b/libstdc++-v3/testsuite/experimental/optional/constexpr/observers/3.cc
index 242eb8c83c6..86094bd4ae3 100644
--- a/libstdc++-v3/testsuite/experimental/optional/constexpr/observers/3.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/constexpr/observers/3.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/constexpr/observers/4.cc b/libstdc++-v3/testsuite/experimental/optional/constexpr/observers/4.cc
index 68814ff04e0..6f15047635b 100644
--- a/libstdc++-v3/testsuite/experimental/optional/constexpr/observers/4.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/constexpr/observers/4.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/constexpr/observers/5.cc b/libstdc++-v3/testsuite/experimental/optional/constexpr/observers/5.cc
index 5f4f9ad3517..cc9a9d188c4 100644
--- a/libstdc++-v3/testsuite/experimental/optional/constexpr/observers/5.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/constexpr/observers/5.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/constexpr/relops/1.cc b/libstdc++-v3/testsuite/experimental/optional/constexpr/relops/1.cc
index 040278f553e..ff1472d28fa 100644
--- a/libstdc++-v3/testsuite/experimental/optional/constexpr/relops/1.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/constexpr/relops/1.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/constexpr/relops/2.cc b/libstdc++-v3/testsuite/experimental/optional/constexpr/relops/2.cc
index d367db2eb96..1e1748ef947 100644
--- a/libstdc++-v3/testsuite/experimental/optional/constexpr/relops/2.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/constexpr/relops/2.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/constexpr/relops/3.cc b/libstdc++-v3/testsuite/experimental/optional/constexpr/relops/3.cc
index 95a9994222c..23e7445308c 100644
--- a/libstdc++-v3/testsuite/experimental/optional/constexpr/relops/3.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/constexpr/relops/3.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/constexpr/relops/4.cc b/libstdc++-v3/testsuite/experimental/optional/constexpr/relops/4.cc
index 32673de2730..1d5b6299b58 100644
--- a/libstdc++-v3/testsuite/experimental/optional/constexpr/relops/4.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/constexpr/relops/4.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/constexpr/relops/5.cc b/libstdc++-v3/testsuite/experimental/optional/constexpr/relops/5.cc
index 3d579a8b9d7..f1474975984 100644
--- a/libstdc++-v3/testsuite/experimental/optional/constexpr/relops/5.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/constexpr/relops/5.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/constexpr/relops/6.cc b/libstdc++-v3/testsuite/experimental/optional/constexpr/relops/6.cc
index ff4721dbe04..d94721ab8bc 100644
--- a/libstdc++-v3/testsuite/experimental/optional/constexpr/relops/6.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/constexpr/relops/6.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/in_place.cc b/libstdc++-v3/testsuite/experimental/optional/in_place.cc
index 37acccfb770..2d78dd7a501 100644
--- a/libstdc++-v3/testsuite/experimental/optional/in_place.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/in_place.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/make_optional.cc b/libstdc++-v3/testsuite/experimental/optional/make_optional.cc
index 6dedd5ba4e7..cce3b78ae6b 100644
--- a/libstdc++-v3/testsuite/experimental/optional/make_optional.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/make_optional.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/nullopt.cc b/libstdc++-v3/testsuite/experimental/optional/nullopt.cc
index c01ecb9257c..e31fc379e9e 100644
--- a/libstdc++-v3/testsuite/experimental/optional/nullopt.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/nullopt.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/observers/1.cc b/libstdc++-v3/testsuite/experimental/optional/observers/1.cc
index 27ab42ec935..1a27a92b592 100644
--- a/libstdc++-v3/testsuite/experimental/optional/observers/1.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/observers/1.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/observers/2.cc b/libstdc++-v3/testsuite/experimental/optional/observers/2.cc
index 5b90db9e18a..5b12704ae97 100644
--- a/libstdc++-v3/testsuite/experimental/optional/observers/2.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/observers/2.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/observers/3.cc b/libstdc++-v3/testsuite/experimental/optional/observers/3.cc
index f4e2120e66e..56d67959408 100644
--- a/libstdc++-v3/testsuite/experimental/optional/observers/3.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/observers/3.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/observers/4.cc b/libstdc++-v3/testsuite/experimental/optional/observers/4.cc
index 316af64c5c2..dca2cf4acbf 100644
--- a/libstdc++-v3/testsuite/experimental/optional/observers/4.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/observers/4.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/observers/5.cc b/libstdc++-v3/testsuite/experimental/optional/observers/5.cc
index d6d6f022ab5..4663478000d 100644
--- a/libstdc++-v3/testsuite/experimental/optional/observers/5.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/observers/5.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/relops/1.cc b/libstdc++-v3/testsuite/experimental/optional/relops/1.cc
index b9cc95bcce9..3877eb6992f 100644
--- a/libstdc++-v3/testsuite/experimental/optional/relops/1.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/relops/1.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/relops/2.cc b/libstdc++-v3/testsuite/experimental/optional/relops/2.cc
index 3e450e3f832..3c7b81d9d2f 100644
--- a/libstdc++-v3/testsuite/experimental/optional/relops/2.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/relops/2.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/relops/3.cc b/libstdc++-v3/testsuite/experimental/optional/relops/3.cc
index 70ade930a96..b7b20e86a88 100644
--- a/libstdc++-v3/testsuite/experimental/optional/relops/3.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/relops/3.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/relops/4.cc b/libstdc++-v3/testsuite/experimental/optional/relops/4.cc
index f6c1947a21f..f9061e69fe6 100644
--- a/libstdc++-v3/testsuite/experimental/optional/relops/4.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/relops/4.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/relops/5.cc b/libstdc++-v3/testsuite/experimental/optional/relops/5.cc
index 4a075a58cdc..2f7eeaae1a7 100644
--- a/libstdc++-v3/testsuite/experimental/optional/relops/5.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/relops/5.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/relops/6.cc b/libstdc++-v3/testsuite/experimental/optional/relops/6.cc
index 4178020a121..fb3b77f2f3e 100644
--- a/libstdc++-v3/testsuite/experimental/optional/relops/6.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/relops/6.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/requirements.cc b/libstdc++-v3/testsuite/experimental/optional/requirements.cc
index a86a0f82bba..59446729da3 100644
--- a/libstdc++-v3/testsuite/experimental/optional/requirements.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/requirements.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/swap/1.cc b/libstdc++-v3/testsuite/experimental/optional/swap/1.cc
index b0a38a5d6be..b8d2fed148a 100644
--- a/libstdc++-v3/testsuite/experimental/optional/swap/1.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/swap/1.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/optional/typedefs.cc b/libstdc++-v3/testsuite/experimental/optional/typedefs.cc
index 6a421cbff38..302d7172606 100644
--- a/libstdc++-v3/testsuite/experimental/optional/typedefs.cc
+++ b/libstdc++-v3/testsuite/experimental/optional/typedefs.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/polymorphic_allocator/1.cc b/libstdc++-v3/testsuite/experimental/polymorphic_allocator/1.cc
index a0a518624e3..1b61d233f8c 100644
--- a/libstdc++-v3/testsuite/experimental/polymorphic_allocator/1.cc
+++ b/libstdc++-v3/testsuite/experimental/polymorphic_allocator/1.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2018-2019 Free Software Foundation, Inc.
+// Copyright (C) 2018-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/polymorphic_allocator/construct_pair.cc b/libstdc++-v3/testsuite/experimental/polymorphic_allocator/construct_pair.cc
index 62791a90b39..7fb6dc808dc 100644
--- a/libstdc++-v3/testsuite/experimental/polymorphic_allocator/construct_pair.cc
+++ b/libstdc++-v3/testsuite/experimental/polymorphic_allocator/construct_pair.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2018-2019 Free Software Foundation, Inc.
+// Copyright (C) 2018-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_deque.cc b/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_deque.cc
index 992623dc4c0..6831a558e3d 100644
--- a/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_deque.cc
+++ b/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_deque.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2018-2019 Free Software Foundation, Inc.
+// Copyright (C) 2018-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_forward_list.cc b/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_forward_list.cc
index 452341701e5..7f281de94a1 100644
--- a/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_forward_list.cc
+++ b/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_forward_list.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2018-2019 Free Software Foundation, Inc.
+// Copyright (C) 2018-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_list.cc b/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_list.cc
index 0299ffd2b72..30d1c03cc81 100644
--- a/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_list.cc
+++ b/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_list.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2018-2019 Free Software Foundation, Inc.
+// Copyright (C) 2018-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_map.cc b/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_map.cc
index 7197fa12405..8b573d369bc 100644
--- a/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_map.cc
+++ b/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_map.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2018-2019 Free Software Foundation, Inc.
+// Copyright (C) 2018-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc b/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc
index 4b2ab78c5ef..da3a864c00c 100644
--- a/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc
+++ b/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2018-2019 Free Software Foundation, Inc.
+// Copyright (C) 2018-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_multimap.cc b/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_multimap.cc
index 235a3a378f8..2ebc82b6aa9 100644
--- a/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_multimap.cc
+++ b/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_multimap.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2018-2019 Free Software Foundation, Inc.
+// Copyright (C) 2018-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_multiset.cc b/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_multiset.cc
index 4a78c0d6b8a..774c2cf2afa 100644
--- a/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_multiset.cc
+++ b/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_multiset.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2018-2019 Free Software Foundation, Inc.
+// Copyright (C) 2018-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_set.cc b/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_set.cc
index ef6780f48a7..671ede8aa32 100644
--- a/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_set.cc
+++ b/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_set.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2018-2019 Free Software Foundation, Inc.
+// Copyright (C) 2018-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc b/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc
index 62917e9373d..b696062ae06 100644
--- a/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc
+++ b/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2018-2019 Free Software Foundation, Inc.
+// Copyright (C) 2018-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_unordered_map.cc b/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_unordered_map.cc
index 9e1d8ca9275..158ade5c516 100644
--- a/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_unordered_map.cc
+++ b/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_unordered_map.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2018-2019 Free Software Foundation, Inc.
+// Copyright (C) 2018-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_unordered_multimap.cc b/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_unordered_multimap.cc
index f1db6d41a12..a636869feaf 100644
--- a/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_unordered_multimap.cc
+++ b/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_unordered_multimap.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2018-2019 Free Software Foundation, Inc.
+// Copyright (C) 2018-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_unordered_multiset.cc b/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_unordered_multiset.cc
index f923f60b93e..e7ad9f93331 100644
--- a/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_unordered_multiset.cc
+++ b/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_unordered_multiset.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2018-2019 Free Software Foundation, Inc.
+// Copyright (C) 2018-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_unordered_set.cc b/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_unordered_set.cc
index 580275238d3..b06844d772c 100644
--- a/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_unordered_set.cc
+++ b/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_unordered_set.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2018-2019 Free Software Foundation, Inc.
+// Copyright (C) 2018-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_vector.cc b/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_vector.cc
index 86458eb5aae..7d9c2498d87 100644
--- a/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_vector.cc
+++ b/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_vector.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2018-2019 Free Software Foundation, Inc.
+// Copyright (C) 2018-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/propagate_const/assignment/copy.cc b/libstdc++-v3/testsuite/experimental/propagate_const/assignment/copy.cc
index 4f7588a8e82..e20bd546770 100644
--- a/libstdc++-v3/testsuite/experimental/propagate_const/assignment/copy.cc
+++ b/libstdc++-v3/testsuite/experimental/propagate_const/assignment/copy.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/propagate_const/assignment/move.cc b/libstdc++-v3/testsuite/experimental/propagate_const/assignment/move.cc
index 4dddb4ade5c..3d48e58a513 100644
--- a/libstdc++-v3/testsuite/experimental/propagate_const/assignment/move.cc
+++ b/libstdc++-v3/testsuite/experimental/propagate_const/assignment/move.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/propagate_const/assignment/move_neg.cc b/libstdc++-v3/testsuite/experimental/propagate_const/assignment/move_neg.cc
index 84e8baae26d..0e6ea08adfd 100644
--- a/libstdc++-v3/testsuite/experimental/propagate_const/assignment/move_neg.cc
+++ b/libstdc++-v3/testsuite/experimental/propagate_const/assignment/move_neg.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/propagate_const/cons/copy.cc b/libstdc++-v3/testsuite/experimental/propagate_const/cons/copy.cc
index 1c9b5c15198..3dc66ac1415 100644
--- a/libstdc++-v3/testsuite/experimental/propagate_const/cons/copy.cc
+++ b/libstdc++-v3/testsuite/experimental/propagate_const/cons/copy.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/propagate_const/cons/default.cc b/libstdc++-v3/testsuite/experimental/propagate_const/cons/default.cc
index d31ed74f9df..e6c298ba015 100644
--- a/libstdc++-v3/testsuite/experimental/propagate_const/cons/default.cc
+++ b/libstdc++-v3/testsuite/experimental/propagate_const/cons/default.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/propagate_const/cons/move.cc b/libstdc++-v3/testsuite/experimental/propagate_const/cons/move.cc
index ea0b6597bd7..5b4140caf10 100644
--- a/libstdc++-v3/testsuite/experimental/propagate_const/cons/move.cc
+++ b/libstdc++-v3/testsuite/experimental/propagate_const/cons/move.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/propagate_const/cons/move_neg.cc b/libstdc++-v3/testsuite/experimental/propagate_const/cons/move_neg.cc
index d4bd4dd34ea..ed4aa89d9a4 100644
--- a/libstdc++-v3/testsuite/experimental/propagate_const/cons/move_neg.cc
+++ b/libstdc++-v3/testsuite/experimental/propagate_const/cons/move_neg.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/propagate_const/hash/1.cc b/libstdc++-v3/testsuite/experimental/propagate_const/hash/1.cc
index be3a3da1633..f7b5629f090 100644
--- a/libstdc++-v3/testsuite/experimental/propagate_const/hash/1.cc
+++ b/libstdc++-v3/testsuite/experimental/propagate_const/hash/1.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/propagate_const/observers/1.cc b/libstdc++-v3/testsuite/experimental/propagate_const/observers/1.cc
index 8d0d3da1acb..c6f3952eb32 100644
--- a/libstdc++-v3/testsuite/experimental/propagate_const/observers/1.cc
+++ b/libstdc++-v3/testsuite/experimental/propagate_const/observers/1.cc
@@ -1,7 +1,7 @@
 // { dg-do run { target c++14 } }
 // { dg-options "-fdelete-null-pointer-checks" }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/propagate_const/relops/1.cc b/libstdc++-v3/testsuite/experimental/propagate_const/relops/1.cc
index 3ed98aedc8e..c173e0b82fa 100644
--- a/libstdc++-v3/testsuite/experimental/propagate_const/relops/1.cc
+++ b/libstdc++-v3/testsuite/experimental/propagate_const/relops/1.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/propagate_const/requirements1.cc b/libstdc++-v3/testsuite/experimental/propagate_const/requirements1.cc
index 7d6fd41e2f8..a74b1edf7a3 100644
--- a/libstdc++-v3/testsuite/experimental/propagate_const/requirements1.cc
+++ b/libstdc++-v3/testsuite/experimental/propagate_const/requirements1.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/propagate_const/requirements2.cc b/libstdc++-v3/testsuite/experimental/propagate_const/requirements2.cc
index 11d6bfd1b68..a663f093836 100644
--- a/libstdc++-v3/testsuite/experimental/propagate_const/requirements2.cc
+++ b/libstdc++-v3/testsuite/experimental/propagate_const/requirements2.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/propagate_const/requirements3.cc b/libstdc++-v3/testsuite/experimental/propagate_const/requirements3.cc
index 88753bf2fea..d0ed04dd9cb 100644
--- a/libstdc++-v3/testsuite/experimental/propagate_const/requirements3.cc
+++ b/libstdc++-v3/testsuite/experimental/propagate_const/requirements3.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/propagate_const/requirements4.cc b/libstdc++-v3/testsuite/experimental/propagate_const/requirements4.cc
index 84770257e7c..83183ea5f6d 100644
--- a/libstdc++-v3/testsuite/experimental/propagate_const/requirements4.cc
+++ b/libstdc++-v3/testsuite/experimental/propagate_const/requirements4.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/propagate_const/requirements5.cc b/libstdc++-v3/testsuite/experimental/propagate_const/requirements5.cc
index 85a7c7b531c..ee1c1946564 100644
--- a/libstdc++-v3/testsuite/experimental/propagate_const/requirements5.cc
+++ b/libstdc++-v3/testsuite/experimental/propagate_const/requirements5.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/propagate_const/swap/1.cc b/libstdc++-v3/testsuite/experimental/propagate_const/swap/1.cc
index 2ade845f9dd..95b08082eed 100644
--- a/libstdc++-v3/testsuite/experimental/propagate_const/swap/1.cc
+++ b/libstdc++-v3/testsuite/experimental/propagate_const/swap/1.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/propagate_const/typedefs.cc b/libstdc++-v3/testsuite/experimental/propagate_const/typedefs.cc
index fcb56a05009..b3917ece01a 100644
--- a/libstdc++-v3/testsuite/experimental/propagate_const/typedefs.cc
+++ b/libstdc++-v3/testsuite/experimental/propagate_const/typedefs.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/random/randint.cc b/libstdc++-v3/testsuite/experimental/random/randint.cc
index 2b7966901f4..94b4c416540 100644
--- a/libstdc++-v3/testsuite/experimental/random/randint.cc
+++ b/libstdc++-v3/testsuite/experimental/random/randint.cc
@@ -4,7 +4,7 @@
 // { dg-require-effective-target tls_runtime }
 // { dg-add-options tls }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/ratio/value.cc b/libstdc++-v3/testsuite/experimental/ratio/value.cc
index 17e63a5755d..6695f5c69bb 100644
--- a/libstdc++-v3/testsuite/experimental/ratio/value.cc
+++ b/libstdc++-v3/testsuite/experimental/ratio/value.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/set/erasure.cc b/libstdc++-v3/testsuite/experimental/set/erasure.cc
index f5985e3360d..5a954539339 100644
--- a/libstdc++-v3/testsuite/experimental/set/erasure.cc
+++ b/libstdc++-v3/testsuite/experimental/set/erasure.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/source_location/1.cc b/libstdc++-v3/testsuite/experimental/source_location/1.cc
index 54dc591ea76..9f5a00df99b 100644
--- a/libstdc++-v3/testsuite/experimental/source_location/1.cc
+++ b/libstdc++-v3/testsuite/experimental/source_location/1.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2017-2019 Free Software Foundation, Inc.
+// Copyright (C) 2017-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string/erasure.cc b/libstdc++-v3/testsuite/experimental/string/erasure.cc
index c3d29996611..92ecea77add 100644
--- a/libstdc++-v3/testsuite/experimental/string/erasure.cc
+++ b/libstdc++-v3/testsuite/experimental/string/erasure.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/capacity/1.cc b/libstdc++-v3/testsuite/experimental/string_view/capacity/1.cc
index e2830527c79..716ca0dc618 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/capacity/1.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/capacity/1.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/cons/char/1.cc b/libstdc++-v3/testsuite/experimental/string_view/cons/char/1.cc
index dfdd254fd37..f05e624007f 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/cons/char/1.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/cons/char/1.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/cons/char/2.cc b/libstdc++-v3/testsuite/experimental/string_view/cons/char/2.cc
index 8dce53e9adc..996d39a9e87 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/cons/char/2.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/cons/char/2.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/cons/char/3.cc b/libstdc++-v3/testsuite/experimental/string_view/cons/char/3.cc
index 56f18c40568..78b255139b5 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/cons/char/3.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/cons/char/3.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/cons/wchar_t/1.cc b/libstdc++-v3/testsuite/experimental/string_view/cons/wchar_t/1.cc
index 9a50a09fd2d..e1ffdc63b8e 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/cons/wchar_t/1.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/cons/wchar_t/1.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/cons/wchar_t/2.cc b/libstdc++-v3/testsuite/experimental/string_view/cons/wchar_t/2.cc
index 84bea9b5ae8..e1456de07d7 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/cons/wchar_t/2.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/cons/wchar_t/2.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/cons/wchar_t/3.cc b/libstdc++-v3/testsuite/experimental/string_view/cons/wchar_t/3.cc
index 3bf73dc6f74..8523a3d37c9 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/cons/wchar_t/3.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/cons/wchar_t/3.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/element_access/char/1.cc b/libstdc++-v3/testsuite/experimental/string_view/element_access/char/1.cc
index f897bfc527a..99393191a53 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/element_access/char/1.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/element_access/char/1.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/element_access/char/2.cc b/libstdc++-v3/testsuite/experimental/string_view/element_access/char/2.cc
index d386a0b7cf4..888812d7b8e 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/element_access/char/2.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/element_access/char/2.cc
@@ -2,7 +2,7 @@
 // { dg-options "-O0" }
 // { dg-require-debug-mode "" }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/element_access/char/empty.cc b/libstdc++-v3/testsuite/experimental/string_view/element_access/char/empty.cc
index 299447fefe8..af5ff75b629 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/element_access/char/empty.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/element_access/char/empty.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/element_access/char/front_back.cc b/libstdc++-v3/testsuite/experimental/string_view/element_access/char/front_back.cc
index 2cd5dd9aa79..e41bdf40535 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/element_access/char/front_back.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/element_access/char/front_back.cc
@@ -1,7 +1,7 @@
 // { dg-do run { target c++14 } }
 // { dg-require-string-conversions "" }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/element_access/wchar_t/1.cc b/libstdc++-v3/testsuite/experimental/string_view/element_access/wchar_t/1.cc
index d486d27c665..b0571caeb6b 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/element_access/wchar_t/1.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/element_access/wchar_t/1.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/element_access/wchar_t/2.cc b/libstdc++-v3/testsuite/experimental/string_view/element_access/wchar_t/2.cc
index 46a8c375b2d..d43569c3bdb 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/element_access/wchar_t/2.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/element_access/wchar_t/2.cc
@@ -2,7 +2,7 @@
 // { dg-options "-O0" }
 // { dg-require-debug-mode "" }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/element_access/wchar_t/empty.cc b/libstdc++-v3/testsuite/experimental/string_view/element_access/wchar_t/empty.cc
index ac5d92df04d..af9bd5f5913 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/element_access/wchar_t/empty.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/element_access/wchar_t/empty.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/element_access/wchar_t/front_back.cc b/libstdc++-v3/testsuite/experimental/string_view/element_access/wchar_t/front_back.cc
index 9c4c8d5a7b8..d357fe2abb8 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/element_access/wchar_t/front_back.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/element_access/wchar_t/front_back.cc
@@ -1,7 +1,7 @@
 // { dg-do run { target c++14 } }
 // { dg-require-string-conversions "" }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/include.cc b/libstdc++-v3/testsuite/experimental/string_view/include.cc
index 69c34c20d03..407b3927d74 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/include.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/include.cc
@@ -1,6 +1,6 @@
 // -*- C++ -*-
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/inserters/char/1.cc b/libstdc++-v3/testsuite/experimental/string_view/inserters/char/1.cc
index cca1e74a006..20672d92f1a 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/inserters/char/1.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/inserters/char/1.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/inserters/char/2.cc b/libstdc++-v3/testsuite/experimental/string_view/inserters/char/2.cc
index 92a2bd21c51..18487c56fe4 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/inserters/char/2.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/inserters/char/2.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/inserters/char/3.cc b/libstdc++-v3/testsuite/experimental/string_view/inserters/char/3.cc
index d9d5f082957..0429e0eac76 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/inserters/char/3.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/inserters/char/3.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/inserters/pod/10081-out.cc b/libstdc++-v3/testsuite/experimental/string_view/inserters/pod/10081-out.cc
index 361f7f2168e..07c617437f4 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/inserters/pod/10081-out.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/inserters/pod/10081-out.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/inserters/wchar_t/1.cc b/libstdc++-v3/testsuite/experimental/string_view/inserters/wchar_t/1.cc
index 99cfd935d37..3eca7f6f9c2 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/inserters/wchar_t/1.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/inserters/wchar_t/1.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/inserters/wchar_t/2.cc b/libstdc++-v3/testsuite/experimental/string_view/inserters/wchar_t/2.cc
index c694c58ac45..869a91a6479 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/inserters/wchar_t/2.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/inserters/wchar_t/2.cc
@@ -1,7 +1,7 @@
 // { dg-do run { target c++14 } }
 // { dg-require-fileio "" }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/inserters/wchar_t/3.cc b/libstdc++-v3/testsuite/experimental/string_view/inserters/wchar_t/3.cc
index 1f999dcf598..798526c09c2 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/inserters/wchar_t/3.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/inserters/wchar_t/3.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/literals/types-char8_t.cc b/libstdc++-v3/testsuite/experimental/string_view/literals/types-char8_t.cc
index 86803c51106..b059848c5ef 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/literals/types-char8_t.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/literals/types-char8_t.cc
@@ -1,7 +1,7 @@
 // { dg-options "-fchar8_t" }
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2013-2017 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/literals/types.cc b/libstdc++-v3/testsuite/experimental/string_view/literals/types.cc
index 0998a05dcbd..540c6dfdf0d 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/literals/types.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/literals/types.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/literals/values-char8_t.cc b/libstdc++-v3/testsuite/experimental/string_view/literals/values-char8_t.cc
index f804c547eb4..e4d5d9be0e5 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/literals/values-char8_t.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/literals/values-char8_t.cc
@@ -1,7 +1,7 @@
 // { dg-options "-fchar8_t" }
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2017 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/literals/values.cc b/libstdc++-v3/testsuite/experimental/string_view/literals/values.cc
index e18ee7edf6e..f2ab435f7d8 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/literals/values.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/literals/values.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/modifiers/remove_prefix/char/1.cc b/libstdc++-v3/testsuite/experimental/string_view/modifiers/remove_prefix/char/1.cc
index 8a7b6b87679..ba5f7cd8f0d 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/modifiers/remove_prefix/char/1.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/modifiers/remove_prefix/char/1.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/modifiers/remove_prefix/wchar_t/1.cc b/libstdc++-v3/testsuite/experimental/string_view/modifiers/remove_prefix/wchar_t/1.cc
index 153349f2a9f..74a92588ea4 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/modifiers/remove_prefix/wchar_t/1.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/modifiers/remove_prefix/wchar_t/1.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/modifiers/remove_suffix/char/1.cc b/libstdc++-v3/testsuite/experimental/string_view/modifiers/remove_suffix/char/1.cc
index 612a62c045b..7016b95cf27 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/modifiers/remove_suffix/char/1.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/modifiers/remove_suffix/char/1.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/modifiers/remove_suffix/wchar_t/1.cc b/libstdc++-v3/testsuite/experimental/string_view/modifiers/remove_suffix/wchar_t/1.cc
index b1114d1799b..de05fc3caaa 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/modifiers/remove_suffix/wchar_t/1.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/modifiers/remove_suffix/wchar_t/1.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/operations/compare/char/1.cc b/libstdc++-v3/testsuite/experimental/string_view/operations/compare/char/1.cc
index f8156bc37cc..a2e40698f78 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/operations/compare/char/1.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/operations/compare/char/1.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/operations/compare/char/13650.cc b/libstdc++-v3/testsuite/experimental/string_view/operations/compare/char/13650.cc
index 29942c6f40f..a670f152f3c 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/operations/compare/char/13650.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/operations/compare/char/13650.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/operations/compare/char/70483.cc b/libstdc++-v3/testsuite/experimental/string_view/operations/compare/char/70483.cc
index 13b717451c3..3073c10cd4c 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/operations/compare/char/70483.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/operations/compare/char/70483.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2017-2019 Free Software Foundation, Inc.
+// Copyright (C) 2017-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/operations/compare/wchar_t/1.cc b/libstdc++-v3/testsuite/experimental/string_view/operations/compare/wchar_t/1.cc
index 43a9fd43afe..52d10e199df 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/operations/compare/wchar_t/1.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/operations/compare/wchar_t/1.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/operations/compare/wchar_t/13650.cc b/libstdc++-v3/testsuite/experimental/string_view/operations/compare/wchar_t/13650.cc
index fb0fda60110..5d94add3643 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/operations/compare/wchar_t/13650.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/operations/compare/wchar_t/13650.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/operations/copy/char/1.cc b/libstdc++-v3/testsuite/experimental/string_view/operations/copy/char/1.cc
index b27c89f8874..865677a8f1e 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/operations/copy/char/1.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/operations/copy/char/1.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/operations/copy/wchar_t/1.cc b/libstdc++-v3/testsuite/experimental/string_view/operations/copy/wchar_t/1.cc
index 8544b6c8975..42b3bf00400 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/operations/copy/wchar_t/1.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/operations/copy/wchar_t/1.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/operations/find/char/1.cc b/libstdc++-v3/testsuite/experimental/string_view/operations/find/char/1.cc
index 3a1d9a3034b..e06d740e2c7 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/operations/find/char/1.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/operations/find/char/1.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/operations/find/char/2.cc b/libstdc++-v3/testsuite/experimental/string_view/operations/find/char/2.cc
index 0ff4f5eb630..7c7aa7aaf11 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/operations/find/char/2.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/operations/find/char/2.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/operations/find/char/3.cc b/libstdc++-v3/testsuite/experimental/string_view/operations/find/char/3.cc
index 42639cd656f..c216fe4e4e7 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/operations/find/char/3.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/operations/find/char/3.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/operations/find/char/4.cc b/libstdc++-v3/testsuite/experimental/string_view/operations/find/char/4.cc
index a98f674efc4..1619c335c04 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/operations/find/char/4.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/operations/find/char/4.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/operations/find/wchar_t/1.cc b/libstdc++-v3/testsuite/experimental/string_view/operations/find/wchar_t/1.cc
index effbeaedc7c..712cba09e03 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/operations/find/wchar_t/1.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/operations/find/wchar_t/1.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/operations/find/wchar_t/2.cc b/libstdc++-v3/testsuite/experimental/string_view/operations/find/wchar_t/2.cc
index 35f3027dcdc..3f3264bdb48 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/operations/find/wchar_t/2.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/operations/find/wchar_t/2.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/operations/find/wchar_t/3.cc b/libstdc++-v3/testsuite/experimental/string_view/operations/find/wchar_t/3.cc
index 8ed4901f780..b0da6231784 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/operations/find/wchar_t/3.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/operations/find/wchar_t/3.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/operations/find/wchar_t/4.cc b/libstdc++-v3/testsuite/experimental/string_view/operations/find/wchar_t/4.cc
index 6d83d5acd90..dd70d85950d 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/operations/find/wchar_t/4.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/operations/find/wchar_t/4.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/operations/rfind/char/1.cc b/libstdc++-v3/testsuite/experimental/string_view/operations/rfind/char/1.cc
index f674b4cd209..d73f8140fc6 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/operations/rfind/char/1.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/operations/rfind/char/1.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/operations/rfind/char/2.cc b/libstdc++-v3/testsuite/experimental/string_view/operations/rfind/char/2.cc
index 04bdf39956d..4a3eed641bc 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/operations/rfind/char/2.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/operations/rfind/char/2.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/operations/rfind/char/3.cc b/libstdc++-v3/testsuite/experimental/string_view/operations/rfind/char/3.cc
index f927fb9f833..0bef3508c0d 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/operations/rfind/char/3.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/operations/rfind/char/3.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/operations/rfind/wchar_t/1.cc b/libstdc++-v3/testsuite/experimental/string_view/operations/rfind/wchar_t/1.cc
index 114a2cdcd82..7105ad09fec 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/operations/rfind/wchar_t/1.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/operations/rfind/wchar_t/1.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/operations/rfind/wchar_t/2.cc b/libstdc++-v3/testsuite/experimental/string_view/operations/rfind/wchar_t/2.cc
index 4a70929d358..10166d62187 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/operations/rfind/wchar_t/2.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/operations/rfind/wchar_t/2.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/operations/rfind/wchar_t/3.cc b/libstdc++-v3/testsuite/experimental/string_view/operations/rfind/wchar_t/3.cc
index ea712a87472..5e709296cd2 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/operations/rfind/wchar_t/3.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/operations/rfind/wchar_t/3.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/operations/substr/char/1.cc b/libstdc++-v3/testsuite/experimental/string_view/operations/substr/char/1.cc
index caa4b586366..58738e10fa0 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/operations/substr/char/1.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/operations/substr/char/1.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/operations/substr/char/83511.cc b/libstdc++-v3/testsuite/experimental/string_view/operations/substr/char/83511.cc
index 58aef39610b..50aad76323b 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/operations/substr/char/83511.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/operations/substr/char/83511.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2018-2019 Free Software Foundation, Inc.
+// Copyright (C) 2018-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/operations/substr/wchar_t/1.cc b/libstdc++-v3/testsuite/experimental/string_view/operations/substr/wchar_t/1.cc
index 1ed53e4de07..d0ae71feaee 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/operations/substr/wchar_t/1.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/operations/substr/wchar_t/1.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/operations/substr/wchar_t/83511.cc b/libstdc++-v3/testsuite/experimental/string_view/operations/substr/wchar_t/83511.cc
index c711a68480f..42a30975e72 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/operations/substr/wchar_t/83511.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/operations/substr/wchar_t/83511.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2018-2019 Free Software Foundation, Inc.
+// Copyright (C) 2018-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/operations/to_string/1.cc b/libstdc++-v3/testsuite/experimental/string_view/operations/to_string/1.cc
index 719629f115c..0ce81f94e3b 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/operations/to_string/1.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/operations/to_string/1.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/operators/char/2.cc b/libstdc++-v3/testsuite/experimental/string_view/operators/char/2.cc
index 26b1b70d522..4b9b353d7d1 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/operators/char/2.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/operators/char/2.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/operators/wchar_t/2.cc b/libstdc++-v3/testsuite/experimental/string_view/operators/wchar_t/2.cc
index 184e664d97d..17673e093e0 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/operators/wchar_t/2.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/operators/wchar_t/2.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/range_access/char/1.cc b/libstdc++-v3/testsuite/experimental/string_view/range_access/char/1.cc
index 800ec32db37..88f5f46ead1 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/range_access/char/1.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/range_access/char/1.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/range_access/wchar_t/1.cc b/libstdc++-v3/testsuite/experimental/string_view/range_access/wchar_t/1.cc
index a8ec9e8590f..31abd524335 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/range_access/wchar_t/1.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/range_access/wchar_t/1.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/requirements/explicit_instantiation/1.cc b/libstdc++-v3/testsuite/experimental/string_view/requirements/explicit_instantiation/1.cc
index b241aa7debe..24f2c4c9a8c 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/requirements/explicit_instantiation/1.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/requirements/explicit_instantiation/1.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/requirements/explicit_instantiation/char/1.cc b/libstdc++-v3/testsuite/experimental/string_view/requirements/explicit_instantiation/char/1.cc
index 4fa4020f1a1..e2fb2bd37fd 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/requirements/explicit_instantiation/char/1.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/requirements/explicit_instantiation/char/1.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/requirements/explicit_instantiation/char16_t/1.cc b/libstdc++-v3/testsuite/experimental/string_view/requirements/explicit_instantiation/char16_t/1.cc
index 67d50c1702e..2ff5796d22f 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/requirements/explicit_instantiation/char16_t/1.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/requirements/explicit_instantiation/char16_t/1.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/requirements/explicit_instantiation/char32_t/1.cc b/libstdc++-v3/testsuite/experimental/string_view/requirements/explicit_instantiation/char32_t/1.cc
index f84ff9ba39b..4400ece72ec 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/requirements/explicit_instantiation/char32_t/1.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/requirements/explicit_instantiation/char32_t/1.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/requirements/explicit_instantiation/char8_t/1.cc b/libstdc++-v3/testsuite/experimental/string_view/requirements/explicit_instantiation/char8_t/1.cc
index 0d44c4ee3cb..f9187ba101d 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/requirements/explicit_instantiation/char8_t/1.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/requirements/explicit_instantiation/char8_t/1.cc
@@ -2,7 +2,7 @@
 // { dg-options "-fchar8_t" }
 // { dg-require-cstdint "" }
 
-// Copyright (C) 2013-2017 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/requirements/explicit_instantiation/wchar_t/1.cc b/libstdc++-v3/testsuite/experimental/string_view/requirements/explicit_instantiation/wchar_t/1.cc
index 2b58cdbd619..12b311bb55a 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/requirements/explicit_instantiation/wchar_t/1.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/requirements/explicit_instantiation/wchar_t/1.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/requirements/typedefs.cc b/libstdc++-v3/testsuite/experimental/string_view/requirements/typedefs.cc
index 38e20e1625c..f0f31c0fd54 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/requirements/typedefs.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/requirements/typedefs.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/typedefs.cc b/libstdc++-v3/testsuite/experimental/string_view/typedefs.cc
index d270ee6f8bf..6551b8f0051 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/typedefs.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/typedefs.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/string_view/types/1.cc b/libstdc++-v3/testsuite/experimental/string_view/types/1.cc
index 378c4e92a33..c4412f33225 100644
--- a/libstdc++-v3/testsuite/experimental/string_view/types/1.cc
+++ b/libstdc++-v3/testsuite/experimental/string_view/types/1.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2013-2019 Free Software Foundation, Inc.
+// Copyright (C) 2013-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/system_error/value.cc b/libstdc++-v3/testsuite/experimental/system_error/value.cc
index 0184035344c..2a47e4c2958 100644
--- a/libstdc++-v3/testsuite/experimental/system_error/value.cc
+++ b/libstdc++-v3/testsuite/experimental/system_error/value.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/tuple/apply.cc b/libstdc++-v3/testsuite/experimental/tuple/apply.cc
index d75d54919b9..fcd49e41c23 100644
--- a/libstdc++-v3/testsuite/experimental/tuple/apply.cc
+++ b/libstdc++-v3/testsuite/experimental/tuple/apply.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/tuple/tuple_size.cc b/libstdc++-v3/testsuite/experimental/tuple/tuple_size.cc
index a69613ccabc..df989cfc822 100644
--- a/libstdc++-v3/testsuite/experimental/tuple/tuple_size.cc
+++ b/libstdc++-v3/testsuite/experimental/tuple/tuple_size.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/type_erased_allocator/2.cc b/libstdc++-v3/testsuite/experimental/type_erased_allocator/2.cc
index b5c19b59e0f..2a98da51948 100644
--- a/libstdc++-v3/testsuite/experimental/type_erased_allocator/2.cc
+++ b/libstdc++-v3/testsuite/experimental/type_erased_allocator/2.cc
@@ -1,7 +1,7 @@
 // { dg-do run { target c++14 } }
 // { dg-require-thread-fence "" }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/type_erased_allocator/uses_allocator.cc b/libstdc++-v3/testsuite/experimental/type_erased_allocator/uses_allocator.cc
index 4db210adec8..bf8fa555be2 100644
--- a/libstdc++-v3/testsuite/experimental/type_erased_allocator/uses_allocator.cc
+++ b/libstdc++-v3/testsuite/experimental/type_erased_allocator/uses_allocator.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/type_traits/detection.cc b/libstdc++-v3/testsuite/experimental/type_traits/detection.cc
index 1c48b0a07ae..acce47e38fc 100644
--- a/libstdc++-v3/testsuite/experimental/type_traits/detection.cc
+++ b/libstdc++-v3/testsuite/experimental/type_traits/detection.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/type_traits/nonesuch.cc b/libstdc++-v3/testsuite/experimental/type_traits/nonesuch.cc
index 2e624026b15..de41252da9b 100644
--- a/libstdc++-v3/testsuite/experimental/type_traits/nonesuch.cc
+++ b/libstdc++-v3/testsuite/experimental/type_traits/nonesuch.cc
@@ -1,5 +1,5 @@
 // 2019-05-14  Nina Dinka Ranns  <dinka.ranns@gmail.com>
-// Copyright (C) 2019 Free Software Foundation, Inc.
+// Copyright (C) 2019-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/type_traits/value.cc b/libstdc++-v3/testsuite/experimental/type_traits/value.cc
index 17a62c9cc2b..156753b4b5e 100644
--- a/libstdc++-v3/testsuite/experimental/type_traits/value.cc
+++ b/libstdc++-v3/testsuite/experimental/type_traits/value.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++14 } }
 
-// Copyright (C) 2014-2019 Free Software Foundation, Inc.
+// Copyright (C) 2014-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/unordered_map/erasure.cc b/libstdc++-v3/testsuite/experimental/unordered_map/erasure.cc
index 79a42ffbdf9..cce61447e97 100644
--- a/libstdc++-v3/testsuite/experimental/unordered_map/erasure.cc
+++ b/libstdc++-v3/testsuite/experimental/unordered_map/erasure.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/unordered_set/erasure.cc b/libstdc++-v3/testsuite/experimental/unordered_set/erasure.cc
index ddaa2d4e81c..035a34392e4 100644
--- a/libstdc++-v3/testsuite/experimental/unordered_set/erasure.cc
+++ b/libstdc++-v3/testsuite/experimental/unordered_set/erasure.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/experimental/vector/erasure.cc b/libstdc++-v3/testsuite/experimental/vector/erasure.cc
index be1bc9a70e4..000995b7e90 100644
--- a/libstdc++-v3/testsuite/experimental/vector/erasure.cc
+++ b/libstdc++-v3/testsuite/experimental/vector/erasure.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++14 } }
 
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2020 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the