1  /* { dg-do compile } */
       2  /* { dg-skip-if "" { *-*-* } { "-O0" } { "" } } */
       3  /* { dg-additional-options "-fdump-tree-fre1" } */
       4  
       5  int x;
       6  int main()
       7  {
       8    x = 0;
       9    if (x)
      10      {
      11        for (int i = 0; i < 10; ++i)
      12  	x = i;
      13      }
      14    return x;
      15  }
      16  
      17  /* { dg-final { scan-tree-dump "return 0;" "fre1" } } */