1  /* { dg-do compile } */
       2  /* { dg-options "-fstrict-overflow -O2 -Wstrict-overflow=3" } */
       3  
       4  /* Source: Ian Lance Taylor.  Based on strict-overflow-6.c.  */
       5  
       6  /* We can only simplify the conditional when using strict overflow
       7     semantics.  */
       8  
       9  int
      10  foo (char* p)
      11  {
      12    return p + 1000 < p; /* { dg-warning "assuming pointer wraparound does not occur" "correct warning" } */
      13  }