https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82967
--- Comment #3 from David Malcolm <dmalcolm at gcc dot gnu.org> --- Another example: ia3230612.c:4:41: error: '__i386__' undeclared here (not in a function); did you mean '__DATE__'? && sizeof (long) == 4 ? 1 : -1] = { __i386__ }; ^~~~~~~~ __DATE__