diff options
| -rw-r--r-- | libstdc++-v3/include/bits/basic_string.h | 3 | ||||
| -rw-r--r-- | libstdc++-v3/testsuite/21_strings/basic_string/cons/char/105995.cc | 11 |
2 files changed, 13 insertions, 1 deletions
diff --git a/libstdc++-v3/include/bits/basic_string.h b/libstdc++-v3/include/bits/basic_string.h index 6041d05815b..9777deaf2e9 100644 --- a/libstdc++-v3/include/bits/basic_string.h +++ b/libstdc++-v3/include/bits/basic_string.h @@ -352,7 +352,8 @@ _GLIBCXX_BEGIN_NAMESPACE_CXX11 { #if __cpp_lib_is_constant_evaluated if (std::is_constant_evaluated()) - _M_local_buf[0] = _CharT(); + for (_CharT& __c : _M_local_buf) + __c = _CharT(); #endif return _M_local_data(); } diff --git a/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/105995.cc b/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/105995.cc new file mode 100644 index 00000000000..4764ceff72a --- /dev/null +++ b/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/105995.cc @@ -0,0 +1,11 @@ +// { dg-options "-std=gnu++20" } +// { dg-do compile { target c++20 } } +// { dg-require-effective-target cxx11_abi } + +#include <string> + +// PR libstdc++/105995 +// Not required by the standard, but supported for QoI. +constexpr std::string pr105995_empty; +constexpr std::string pr105995_partial = "0"; +constexpr std::string pr105995_full = "0123456789abcde"; |