[Bug preprocessor/114007] gcc chokes on __has_cpp_attribute(clang::unsafe_buffer_usage)

[iains at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114007

--- Comment #26 from Iain Sandoe <iains at gcc dot gnu.org> ---
but from your initial post it's also guarded by:

#ifndef __has_cpp_attribute
#define __has_cpp_attribute(x) 0
#endif

so it will always be 0 for clang in C mode, since that does not define
__has_cpp_attribute