gcc/testsuite/gcc.c-torture/execute/pr57344-1.c

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