1 files changed, 32 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/20_util/logical_traits/83134.cc b/libstdc++-v3/testsuite/20_util/logical_traits/83134.cc
new file mode 100644
index 00000000000..06f45da3b01
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/logical_traits/83134.cc
@@ -0,0 +1,32 @@
+// Copyright (C) 2017 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+// { dg-options "-std=gnu++17" }
+// { dg-do compile { target c++1z } }
+
+#include <type_traits>
+
+struct X {
+  constexpr operator bool() const { return false; }
+  constexpr bool operator!() const = delete;
+};
+
+struct Y {
+  static constexpr X value{};
+};
+
+static_assert(std::negation<Y>::value);  // PR libstdc++/83134