https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67016
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |accepts-invalid Status|UNCONFIRMED |NEW Last reconfirmed| |2015-07-26 Ever confirmed|0 |1 --- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> --- I agree there should be a diagnostic at least with -pedantic. "enum E : base_type;" is valid but "enum E;" is not.