[Bug libstdc++/105995] QoI: constexpr basic_string variable must use all of its SSO buffer

cvs-commit at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Thu Jun 16 19:20:53 GMT 2022


--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Jonathan Wakely <redi@gcc.gnu.org>:


commit r13-1139-g98a0d72a610a87e8e383d366e50253ddcc9a51dd
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Thu Jun 16 14:57:32 2022 +0100

    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


            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.

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