https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104850
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Last reconfirmed| |2022-03-09 Keywords| |rejects-valid Ever confirmed|0 |1 Status|UNCONFIRMED |WAITING --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- I get t.ii:3:10: error: unknown type name 'nullptr_t' uptr(nullptr_t) {} ^ please fix your example.