panic("reflect.StructOf: illegal embedded field type " + stringFor(ft))
				}
			}

			switch Kind(f.Typ.Kind()) {
			case Interface:
				ift := (*interfaceType)(unsafe.Pointer(ft))
				for _, m := range ift.Methods {
					if pkgPath(ift.nameOff(m.Name)) != "" {
						// TODO(sbinet).  Issue 15924.
						panic("reflect: embedded interface with unexported method(s) not implemented")
					}