[Bug c/101125] warn when a construct would become invalid if a function were replaced by a function-like macro

[vincent-gcc at vinc17 dot net via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101125

--- Comment #2 from Vincent Lefèvre <vincent-gcc at vinc17 dot net> ---
Even though GCC support fast inline functions, some libraries may still use
function-like macros. In particular, this is still the case with glibc (e.g.
pthread_cleanup_pop).