[Bug c/118061] [15 regression] ICE: tree check: expected class 'type', have 'exceptional' (error_mark) in tagged_types_tu_compatible_p, at c/c-typeck.cc:1946

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118061

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

https://gcc.gnu.org/g:d9e834958e82219f836577da4ef8176aca2c7c9f

commit r15-8286-gd9e834958e82219f836577da4ef8176aca2c7c9f
Author: Martin Uecker <uec...@tugraz.at>
Date:   Sat Mar 1 17:21:25 2025 +0100

    c: Fix ICE in error recovery when checking struct compatibility [PR118061]

    Return early when comparing two structures for compatibility
    and the type of a member is erroneous.

            PR c/118061

    gcc/c/ChangeLog:
            * c-typeck.cc (tagged_types_tu_compatible_p): Handle
            errors in types of struct members.

    gcc/testsuite/ChangeLog:
            * gcc.dg/pr118061.c: New test.