1 // RUN: %clang_cc1 -std=c11 -fsyntax-only -verify %s
2 // RUN: not %clang_cc1 -std=c99 -pedantic -fsyntax-only %s 2>&1 | FileCheck -check-prefix=CHECK-EXT %s
3 
4 _Alignas(4) char c1;
5 unsigned _Alignas(long) char c2;
6 char _Alignas(16) c3;
7 
8 char c4 _Alignas(32); // expected-error {{expected ';' after top level declarator}} expected-warning {{declaration does not declare anything}}
9 
10 char _Alignas(_Alignof(int)) c5;
11 
12 // CHECK-EXT: '_Alignas' is a C11 extension
13 // CHECK-EXT: '_Alignof' is a C11 extension
14