gcc/testsuite/gcc.c-torture/execute/pr57344-3.c

   1 /* PR middle-end/57344 */
   2
   3 struct __attribute__((packed)) S
   4 {
   5   long long int a : 43;
   6   long long int b : 22;
   7   char c;
   8   long long int : 0;
   9 } s[2];
  10 int i;
  11
  12 __attribute__((noinline, noclone)) void
  13 foo (long long int x)
  14 {
  15   if (x != -3161LL)
  16     __builtin_abort ();
  17   asm volatile ("" : : : "memory");
  18 }
  19
  20 int
  21 main ()
  22 {
  23   struct S t = { 0, -3161LL };
  24   s[1] = t;
  25   for (; i < 1; i++)
  26     foo (s[1].b);
  27   return 0;
  28 }