gcc/testsuite/gcc.dg/tree-ssa/assign-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-optimized" } */
   3
   4 volatile int count;
   5 int arr[4];
   6 void foo()
   7 {
   8  arr[count++] = 0;
   9 }
  10
  11 /* { dg-final { scan-tree-dump-times "count =" 1 "optimized"} } */
  12