1f4a2713aSLionel Sambuc // RUN: %clang_cc1 -std=c11 -fsyntax-only -verify %s 2*0a6a1f1dSLionel Sambuc // RUN: not %clang_cc1 -std=c99 -pedantic -fsyntax-only %s 2>&1 | FileCheck -check-prefix=CHECK-EXT %s 3f4a2713aSLionel Sambuc 4f4a2713aSLionel Sambuc _Alignas(4) char c1; 5f4a2713aSLionel Sambuc unsigned _Alignas(long) char c2; 6f4a2713aSLionel Sambuc char _Alignas(16) c3; 7f4a2713aSLionel Sambuc 8f4a2713aSLionel Sambuc char c4 _Alignas(32); // expected-error {{expected ';' after top level declarator}} expected-warning {{declaration does not declare anything}} 9f4a2713aSLionel Sambuc 10f4a2713aSLionel Sambuc char _Alignas(_Alignof(int)) c5; 11f4a2713aSLionel Sambuc 12f4a2713aSLionel Sambuc // CHECK-EXT: _Alignas is a C11-specific feature 13f4a2713aSLionel Sambuc // CHECK-EXT: _Alignof is a C11-specific feature 14