https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79011
--- Comment #1 from Eric Gallager <egallager at gcc dot gnu.org> --- (In reply to Martin Sebor from comment #0) > Section 3.8 of the manual, Options to Request or Suppress Warnings, states > that: > > "This manual lists only one of the two forms, whichever is not the > default." > > The following is a list of options listed in that section that, according to > the manual, are enabled by default (and thus should be listed in the > -Wno-xxx form). > ... > -Wno-endif-labels This one's already in -Wno-xxx form