gcc/testsuite/gcc.dg/torture/pr57517.c

   1 /* { dg-do compile } */
   2
   3 int x[1024], y[1024], z[1024], w[1024];
   4 void foo (void)
   5 {
   6   int i;
   7   for (i = 1; i < 1024; ++i)
   8     {
   9       int a = x[i];
  10       int b = y[i];
  11       int c = x[i-1];
  12       int d = y[i-1];
  13       if (w[i])
  14         z[i] = (a + b) + (c + d);
  15     }
  16 }