gcc/testsuite/gcc.c-torture/execute/pr57344-2.c

   1 /* PR middle-end/57344 */
   2 /* { dg-require-effective-target int32plus } */
   3
   4 struct __attribute__((packed)) S
   5 {
   6   int a : 27;
   7 #if __SIZEOF_INT__ * __CHAR_BIT__ >= 32
   8   int b : 22;
   9 #else
  10   int b : 13;
  11 #endif
  12   char c;
  13   int : 0;
  14 } s[2];
  15 int i;
  16
  17 __attribute__((noinline, noclone)) void
  18 foo (int x)
  19 {
  20   if (x != -3161)
  21     __builtin_abort ();
  22   asm volatile ("" : : : "memory");
  23 }
  24
  25 int
  26 main ()
  27 {
  28   struct S t = { 0, -3161L };
  29   s[1] = t;
  30   for (; i < 1; i++)
  31     foo (s[1].b);
  32   return 0;
  33 }