[Bug preprocessor/120778] [C++26] P2843R3 - Preprocessing is never undefined

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120778

--- Comment #5 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Jakub Jelinek <ja...@gcc.gnu.org>:

https://gcc.gnu.org/g:625d5776f9cd0b09512d7b5e403737ad944f33d3

commit r16-2725-g625d5776f9cd0b09512d7b5e403737ad944f33d3
Author: Jakub Jelinek <ja...@redhat.com>
Date:   Sun Aug 3 18:32:19 2025 +0200

    c++: Add stringification testcase for CWG1709 [PR120778]

    The CWG1709 just codifies existing GCC (and clang) behavior, so this
    just adds a testcase for that.

    2025-08-03  Jakub Jelinek  <ja...@redhat.com>

            PR preprocessor/120778
            * g++.dg/DRs/dr1709.C: New test.