1 // RUN: %clang_cc1 -fsyntax-only -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 ignored}} 29 unsigned long bf_1 : 12; 30 unsigned long : 0; 31 unsigned long bf_2 : 12; 32 } __attribute__((ms_struct)) t2; 33 34 35 // rdar://10513599 36 #pragma ms_struct on 37 38 typedef struct 39 { 40 void *pv; 41 int l; 42 } Foo; 43 44 typedef struct 45 { 46 void *pv1; 47 Foo foo; 48 unsigned short fInited : 1; 49 void *pv2; 50 } PackOddity; 51 52 #pragma ms_struct off 53 54 static int arr[sizeof(PackOddity) == 40 ? 1 : -1]; 55 56