https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85361
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |WORKSFORME --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- It's been a GCC extension so you need -pedantic or -pedantic-errors.