https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79647
--- Comment #7 from Bernd Edlinger <bernd.edlinger at hotmail dot de> --- (In reply to Andrew Pinski from comment #1) > >The second warning is also bogus, the -Wno-parentheses-equality was accepted > before. > > Well this error message about an unknown warning option only happens if > there was another error message. is this a bug or a feature?