gcc/testsuite/gcc.dg/pr50017.c

   1 /* PR debug/50017 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O3 -fcompare-debug" } */
   4
   5 struct S { int r, i; };
   6
   7 void
   8 foo (struct S *x, int y)
   9 {
  10   int i;
  11   for (i = 1; i < y; i++)
  12     {
  13       struct S a, b, c;
  14       a = x[0];
  15       b = x[i];
  16       c.r = a.r * b.r - a.i * b.i;
  17       c.i = a.r * b.i + a.i * b.r;
  18       x[i] = c;
  19     }
  20 }