gcc/testsuite/c-c++-common/pr71372.c

   1 /* PR c++/71372 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -fdump-tree-optimized" } */
   4
   5 void
   6 foo (volatile int *p, int q)
   7 {
   8   *(volatile int *)p = 0;
   9   *(p + (q - q) + 1) = 0;
  10   *(p + (q - q) + 2) = 0;
  11   *(p + (q - q) + 3) = 0;
  12 }
  13
  14 /* { dg-final { scan-tree-dump-times " ={v} " 4 "optimized" } } */