| // RUN: %clang_cc1 -std=c++11 -verify %s | |
| alignas(double) void f(); // expected-error {{'alignas' attribute only applies to variables, data members and tag types}} | |
| alignas(double) unsigned char c[sizeof(double)]; // expected-note {{previous}} | |
| extern unsigned char c[sizeof(double)]; | |
| alignas(float) extern unsigned char c[sizeof(double)]; // expected-error {{different alignment}} |