// RUN: %clang_cc1 -std=c11 -fsyntax-only -verify %s // RUN: not %clang_cc1 -std=c99 -pedantic -fsyntax-only %s 2>&1 | FileCheck -check-prefix=CHECK-EXT %s _Alignas(4) char c1; unsigned _Alignas(long) char c2; char _Alignas(16) c3; char c4 _Alignas(32); // expected-error {{expected ';' after top level declarator}} expected-warning {{declaration does not declare anything}} char _Alignas(_Alignof(int)) c5; _Alignas(int) struct c6; // expected-warning {{'_Alignas' attribute ignored}} // CHECK-EXT: '_Alignas' is a C11 extension // CHECK-EXT: '_Alignof' is a C11 extension