clang/test/CodeGen/2007-09-28-PackedUnionMember.c

   1 // RUN: %clang_cc1 %s -emit-llvm -o -
   2
   3 #pragma pack(push, 2)
   4 struct H {
   5   unsigned long f1;
   6   unsigned long f2;
   7   union {
   8     struct opaque1 *f3;
   9     struct opaque2 *f4;
  10     struct {
  11       struct opaque3 *f5;
  12       unsigned short  f6;
  13     } f7;
  14   } f8;
  15 };
  16 #pragma pack(pop)
  17
  18 struct E {
  19   unsigned long f1;
  20   unsigned long f2;
  21 };
  22
  23 typedef long (*FuncPtr) (void);
  24
  25 extern long bork(FuncPtr handler, const struct E *list);
  26
  27 static long hndlr(void)
  28 {
  29   struct H cmd = { 4, 412 };
  30   struct H cmd2 = { 4, 412, 0 };
  31   return 0;
  32 }
  33 void foo(void *inWindow) {
  34   static const struct E events[] = {
  35     { 123124, 1 }
  36   };
  37   bork(hndlr, events);
  38 }