https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60304
--- Comment #26 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to Manuel López-Ibáñez from comment #22) > My point is that the fix cannot be only limited to tweaking stdbool.h, as > long as any C++ mode still defines false as a macro. As I said in comment 18, C++ programs can't do that. Ever. I'm going to try again to remove those macros from <stdbool.h> for C++ ...