https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63831
--- Comment #9 from emsr at gcc dot gnu.org --- This problem exists also with my baby __has_cpp_attribute. I have to actually solve this. The real answer to this is to also give c-family/c-ppoutput.c a callback to pretty print these built-in macros. I'll post after tests complete.
