https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81251
Thomas Koenig <tkoenig at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|WAITING |RESOLVED CC| |tkoenig at gcc dot gnu.org Resolution|--- |INVALID --- Comment #2 from Thomas Koenig <tkoenig at gcc dot gnu.org> --- -Wall gives the relevant warning, as Dominique pointed out.