[Bug libstdc++/114519] GCC 14 trunk fails to compile chrono with -fno-char8_t -std=gnu++20

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114519

--- Comment #3 from GCC 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:21aa57e73b820395b7b01843d61ef5b84cd20d02

commit r14-9761-g21aa57e73b820395b7b01843d61ef5b84cd20d02
Author: Jonathan Wakely <jwak...@redhat.com>
Date:   Thu Mar 28 21:29:17 2024 +0000

    libstdc++: Guard uses of char8_t with __cpp_char8_t [PR114519]

    libstdc++-v3/ChangeLog:

            PR libstdc++/114519
            * include/bits/unicode.h (_Utf8_view): Guard with check for
            char8_t being enabled.
            (__literal_encoding_is_unicode): Guard use of char8_t with check
            for it being enabled.
            * testsuite/std/format/functions/114519.cc: New test.