1*67e74705SXin Li // RUN: %clang_cc1 -std=c11 -fsyntax-only -verify %s 2*67e74705SXin Li // RUN: not %clang_cc1 -std=c99 -pedantic -fsyntax-only %s 2>&1 | FileCheck -check-prefix=CHECK-EXT %s 3*67e74705SXin Li 4*67e74705SXin Li _Alignas(4) char c1; 5*67e74705SXin Li unsigned _Alignas(long) char c2; 6*67e74705SXin Li char _Alignas(16) c3; 7*67e74705SXin Li 8*67e74705SXin Li char c4 _Alignas(32); // expected-error {{expected ';' after top level declarator}} expected-warning {{declaration does not declare anything}} 9*67e74705SXin Li 10*67e74705SXin Li char _Alignas(_Alignof(int)) c5; 11*67e74705SXin Li 12*67e74705SXin Li // CHECK-EXT: _Alignas is a C11-specific feature 13*67e74705SXin Li // CHECK-EXT: _Alignof is a C11-specific feature 14