https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67491 Bug 67491 depends on bug 91662, which changed state.
Bug 91662 Summary: [concepts] unable to deduce placeholder type, should be accepted https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91662 What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |FIXED
