#if foo
#else foo /* { dg-bogus "extra tokens" "extra tokens in skipped block" } */
#endif foo /* { dg-bogus "extra tokens" "extra tokens in skipped block" } */
-#endif bar /* { dg-warning "extra tokens" "tokens after #endif" } */
+#endif bar /* { dg-error "extra tokens" "tokens after #endif" } */