1// Test this without pch.
2// RUN: %clang_cc1 %s -Wunknown-pragmas -Werror -triple i386-apple-darwin9 -fsyntax-only -include %s -verify -std=c++11
3
4// Test with pch.
5// RUN: %clang_cc1 %s -Wunknown-pragmas -Werror -triple i386-apple-darwin9 -emit-pch -o %t -std=c++11
6// RUN: %clang_cc1 %s -Wunknown-pragmas -Werror -triple i386-apple-darwin9 -fsyntax-only -include-pch %t -verify -std=c++11
7
8// The first run line creates a pch, and since at that point HEADER is not
9// defined, the only thing contained in the pch is the pragma. The second line
10// then includes that pch, so HEADER is defined and the actual code is compiled.
11// The check then makes sure that the pragma is in effect in the file that
12// includes the pch.
13
14// expected-no-diagnostics
15
16#ifndef HEADER
17#define HEADER
18struct SOffH {
19  short m : 9;
20  int q : 12;
21};
22
23#pragma ms_struct on
24
25struct SOnH {
26  short m : 9;
27  int q : 12;
28};
29
30#else
31
32struct SOnC {
33  short m : 9;
34  int q : 12;
35};
36
37static_assert(sizeof(SOffH) == 4, "");
38static_assert(sizeof(SOnH) == 8, "");
39static_assert(sizeof(SOnC) == 8, "");
40
41#endif
42