[Bug libstdc++/110879] [14 Regression] Unnecessary reread from memory in a loop with std::vector

[cvs-commit at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110879

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

https://gcc.gnu.org/g:256d64b3460807f33ff2f70e676801bdcf908c1c

commit r14-5774-g256d64b3460807f33ff2f70e676801bdcf908c1c
Author: Jonathan Wakely <jwak...@redhat.com>
Date:   Wed Nov 22 21:24:08 2023 +0000

    c++: Require C++11 for g++.dg/opt/pr110879.C [PR110879]

    The _M_realloc_insert member does not have the trivial relocation
    optimization for C++98, which seems to be why the _M_end_of_storage
    member does not get optimized away. Make this test unsupported for
    C++98.

    gcc/testsuite/ChangeLog:

            PR libstdc++/110879
            * g++.dg/opt/pr110879.C: Require C++11 or later.