gcc/testsuite/gcc.c-torture/execute/20020320-1.c

   1 /* PR c/5354 */
   2 /* Verify that GCC preserves relevant stack slots.  */
   3
   4 extern void abort(void);
   5 extern void exit(int);
   6
   7 struct large { int x, y[9]; };
   8
   9 int main()
  10 {
  11   int fixed;
  12
  13   fixed = ({ int temp1 = 2; temp1; }) - ({ int temp2 = 1; temp2; });
  14   if (fixed != 1)
  15     abort();
  16
  17   fixed = ({ struct large temp3; temp3.x = 2; temp3; }).x
  18           - ({ struct large temp4; temp4.x = 1; temp4; }).x;
  19   if (fixed != 1)
  20     abort();
  21
  22   exit(0);
  23 }