[Bug c/108194] GCC won't treat two compatible function types as compatible if any of them (or both of them) is declared _Noreturn

[joseph at codesourcery dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108194

--- Comment #3 from joseph at codesourcery dot com <joseph at codesourcery dot 
com> ---
If you use typeof instead of __typeof, and -std=c2x, these types are 
treated as compatible.  I deliberately kept the existing semantics for 
__typeof, and for typeof in pre-C2x modes, when implementing C2x typeof; 
see the commit message for commit fa258f6894801aef6785f0327594dc803da63fbd.