gcc/testsuite/gcc.dg/pr48159-1.c

   1 /* PR debug/48159 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O3 -fcompare-debug" } */
   4
   5 void
   6 foo (double x, int y, double *__restrict z, double *__restrict w)
   7 {
   8   while (y--)
   9     *z++ = (*w++ = 0) * x;
  10 }