[Bug c++/115580] [12/13/14/15 regression] null pointer warning from an unevaluated context

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115580

--- Comment #5 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The trunk branch has been updated by Marek Polacek <mpola...@gcc.gnu.org>:

https://gcc.gnu.org/g:459c8a55567b06522e4b9cc0a4ef62f9d3024526

commit r15-7839-g459c8a55567b06522e4b9cc0a4ef62f9d3024526
Author: Marek Polacek <pola...@redhat.com>
Date:   Tue Mar 4 13:07:27 2025 -0500

    c++: disable -Wnonnull in unevaluated context [PR115580]

    This PR complains that we issue a -Wnonnull even in a decltype.
    This fix disables even -Wformat and -Wrestrict.  I think that's fine.

            PR c++/115580

    gcc/c-family/ChangeLog:

            * c-common.cc (check_function_arguments): Return early if
            c_inhibit_evaluation_warnings.

    gcc/testsuite/ChangeLog:

            * g++.dg/warn/Wnonnull16.C: New test.

    Reviewed-by: Jason Merrill <ja...@redhat.com>