https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109475
--- Comment #6 from Jorge Pinto Sousa <jorge.pinto.sousa at proton dot me> --- Let me rephrase, Im sorry maybe I was too broad. For any specific gcc binary, > /usr/bin/gcc-8 -Q --help=warnings | grep enabled Will give me the list of warnings enabled by default?