[Bug preprocessor/118542] Split -Wexpansion-to-defined for function vs. object like macros

[dangelog at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118542

--- Comment #2 from Giuseppe D'Angelo <dangelog at gmail dot com> ---
Better testcase, I guess: https://gcc.godbolt.org/z/Yce4qEabM