1  /* { dg-do compile } */
       2  /* { dg-options "-O -fdump-tree-sink" } */
       3  
       4  int foo(int *a, int r)
       5  {
       6    int ret = 0;
       7    *a = 1;
       8    if (r == 3)
       9      *a = 5;
      10    else
      11      ret = r + 20;
      12    return ret;
      13  }
      14  
      15  /* *a = 1 should be sunk to the else block.  */
      16  
      17  /* { dg-final { scan-tree-dump-times "Sinking" 1 "sink1" } } */