[Bug c/120510] composite_type produces result not compatible with arguments

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120510

--- Comment #6 from uecker at gcc dot gnu.org ---

This is the last remaining issue.
PATCH: https://gcc.gnu.org/pipermail/gcc-patches/2025-June/686379.html