https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107430 Bug 107430 depends on bug 102881, which changed state.
Bug 102881 Summary: gcc totally broken when trailing return type combine with decltype lambda https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102881 What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |FIXED