[Bug libstdc++/78552] std::locale::classic() Needless Race

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78552

--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-8 branch has been updated by Jonathan Wakely
<redi@gcc.gnu.org>:

https://gcc.gnu.org/g:26b070a3f6e5c7ccee7491fb758dba4c72bd7026

commit r8-10086-g26b070a3f6e5c7ccee7491fb758dba4c72bd7026
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Wed Feb 26 09:43:59 2020 +0000

    PR libstdc++/78552 only construct std::locale for C locale once

    Backport from mainline
    2019-10-09  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/78552
        * src/c++98/locale_init.cc (locale::classic()): Do not construct a new
        locale object for every call.
        (locale::_S_initialize_once()): Construct C locale here.