https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122650
--- Comment #2 from Halalaluyafail3 <luigighiron at gmail dot com> --- (In reply to Joseph S. Myers from comment #1) > This is Semantics, not Constraints, so no diagnostic is required. Sure, but it seems reasonable to diagnose it within a translation unit. At least as a matter of quality of implementation.
