gcc/testsuite/gcc.c-torture/execute/20071211-1.c

   1 extern void abort() __attribute__ ((noreturn));
   2
   3 struct s
   4 {
   5   unsigned long long f1 : 40;
   6 #if(__SIZEOF_INT__ >= 4)
   7   unsigned int f2 : 24;
   8 #else
   9   unsigned long int f2 : 24;
  10 #endif
  11 } sv;
  12
  13 int main()
  14 {
  15   int f2;
  16   sv.f2 = (1 << 24) - 1;
  17   __asm__ volatile ("" : : : "memory");
  18   ++sv.f2;
  19   f2 = sv.f2;
  20   if (f2 != 0)
  21     abort();
  22   return 0;
  23 }