e61e061eb1
cc1: error: unrecognized command line option "-Wimplicit-fallthrough" cc1: error: unrecognized command line option "-Wcovered-switch-default" cc1: error: unrecognized command line option "-Wno-noexcept-type" cc1: error: unrecognized command line option "-Wstring-conversion" Tested to build with Clang.