diff options
author | Jonathan Wakely <jwakely@redhat.com> | 2022-06-16 14:57:32 +0100 |
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committer | Jonathan Wakely <jwakely@redhat.com> | 2022-08-03 12:31:26 +0100 |
commit | e562236851e06091256593aa0d3fbda60a28e45b (patch) | |
tree | 911dfcbe151b67befb39f548b3bae9f0940bb54b /libstdc++-v3/include/bits/basic_string.h | |
parent | 2fd16b1c0269e24fc11b0abd188d006d4d9134c2 (diff) |
libstdc++: Support constexpr global std::string for size < 15 [PR105995]
I don't think this is required by the standard, but it's easy to
support.
libstdc++-v3/ChangeLog:
PR libstdc++/105995
* include/bits/basic_string.h (_M_use_local_data): Initialize
the entire SSO buffer.
* testsuite/21_strings/basic_string/cons/char/105995.cc: New test.
(cherry picked from commit 98a0d72a610a87e8e383d366e50253ddcc9a51dd)
Diffstat (limited to 'libstdc++-v3/include/bits/basic_string.h')
-rw-r--r-- | libstdc++-v3/include/bits/basic_string.h | 3 |
1 files changed, 2 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(); } |