https://gcc.gnu.org/bugzilla/show_bug.cgi?id=30811
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |accepts-invalid, diagnostic
--- Comment #9 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Note clang warns but its warning is not so clear:
<source>:4:27: warning: predefined identifier is only valid inside function
[-Wpredefined-identifier-outside-function]
void bar (const char *s = __FUNCTION__) { puts (s); }
^
<source>:5:27: warning: predefined identifier is only valid inside function
[-Wpredefined-identifier-outside-function]
void baz (const char *s = __PRETTY_FUNCTION__) { puts (s); }
^
At least MSVC is clear on what is going on:
<source>(4): error C2457: '__FUNCTION__': predefined macro cannot appear
outside of a function body
