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/* { dg-do compile } */
/* { dg-options "-fno-strict-overflow -O2 -fdump-tree-final_cleanup" } */
 
/* Dual of strict-overflow-5.c.  */
 
/* We can only unroll when using strict overflow semantics.  */
 
int foo (int i)
{
  int index;
  int r=0;
 
  for (index = i; index <= i+4; index+=2) 
    r++;
 
  return r;
}
 
/* { dg-final { scan-tree-dump-times "r = 3" 0 "final_cleanup" } } */
/* { dg-final { cleanup-tree-dump "final_cleanup" } } */