1 // RUN: %clang_cc1 -fsyntax-only -fms-extensions -verify -triple x86_64-apple-darwin9 %s
2 
3 #pragma ms_struct on
4 
5 #pragma ms_struct off
6 
7 #pragma ms_struct reset
8 
9 #pragma ms_struct // expected-warning {{incorrect use of '#pragma ms_struct on|off' - ignored}}
10 
11 #pragma ms_struct on top of spaghetti  // expected-warning {{extra tokens at end of '#pragma ms_struct' - ignored}}
12 
13 struct foo
14 {
15   int a;
16   int b;
17   char c;
18 };
19 
20 
21 struct {
22                    unsigned long bf_1 : 12;
23                    unsigned long : 0;
24                    unsigned long bf_2 : 12;
25 } __attribute__((__ms_struct__)) t1;
26 
27 struct S {
28 		   double __attribute__((ms_struct)) d;	// expected-warning {{'ms_struct' attribute only applies to structs, unions, and classes}}
29                    unsigned long bf_1 : 12;
30                    unsigned long : 0;
31                    unsigned long bf_2 : 12;
32 } __attribute__((ms_struct)) t2;
33 
34 enum
35 {
36   A = 0,
37   B,
38   C
39 } __attribute__((ms_struct)) e1; // expected-warning {{'ms_struct' attribute only applies to}}
40 
41 // rdar://10513599
42 #pragma ms_struct on
43 
44 typedef struct
45 {
46 void *pv;
47 int l;
48 } Foo;
49 
50 typedef struct
51 {
52 void *pv1;
53 Foo foo;
54 unsigned short fInited : 1;
55 void *pv2;
56 } PackOddity;
57 
58 #pragma ms_struct off
59 
60 static int arr[sizeof(PackOddity) == 40 ? 1 : -1];
61 
62 struct __declspec(ms_struct) bad { // expected-warning {{__declspec attribute 'ms_struct' is not supported}}
63 };
64