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