https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107430 Bug 107430 depends on bug 101013, which changed state.
Bug 101013 Summary: Rejects-valid for alias template in a different namespace with a lambda in unevaluated context https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101013 What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED