1 // Test this without pch.
2 // RUN: %clang_cc1 %s -Wunknown-pragmas -Werror -triple i386-pc-win32 -fms-extensions -fsyntax-only -include %s -verify -std=c++11
3 
4 // Test with pch.
5 // RUN: %clang_cc1 %s -Wunknown-pragmas -Werror -triple i386-pc-win32  -fms-extensions -emit-pch -o %t -std=c++11
6 // RUN: %clang_cc1 %s -Wunknown-pragmas -Werror -triple i386-pc-win32  -fms-extensions -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 
19 struct S0;
20 static_assert(sizeof(int S0::*) == 12, "");
21 
22 struct S1;
23 struct S2;
24 
25 #pragma pointers_to_members(full_generality, single_inheritance)
26 
27 static_assert(sizeof(int S1::*) == 4, "");
28 
29 #else
30 
31 static_assert(sizeof(int S2::*) == 4, "");
32 static_assert(sizeof(int S0::*) == 12, "");
33 
34 #endif
35