https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67304
--- Comment #5 from Iain Buclaw <ibuclaw at gdcproject dot org> --- > - The combined option should have all languages so that the diagnostic "is a > valid option for ..." references the correct frontends. Ah, no. Because then the --help text would show both. Scratch that idea then for the moment.