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
18 struct SOffH {
19   short m : 9;
20   int q : 12;
21 };
22 
23 #pragma ms_struct on
24 
25 struct SOnH {
26   short m : 9;
27   int q : 12;
28 };
29 
30 #else
31 
32 struct SOnC {
33   short m : 9;
34   int q : 12;
35 };
36 
37 static_assert(sizeof(SOffH) == 4, "");
38 static_assert(sizeof(SOnH) == 8, "");
39 static_assert(sizeof(SOnC) == 8, "");
40 
41 #endif
42