1  /* { dg-do compile } */
       2  /* { dg-options "-fno-strict-overflow -O2 -fdump-tree-optimized" } */
       3  
       4  /* Source: Ian Lance Taylor.  Dual of strict-overflow-1.c.  */
       5  
       6  /* We can only simplify the conditional when using strict overflow
       7     semantics.  */
       8  
       9  int
      10  foo (int i)
      11  {
      12    return i - 5 < 10;
      13  }
      14  
      15  /* { dg-final { scan-tree-dump "-[ ]*5" "optimized" } } */