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/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-pre" } */
 
/* Commutative case.  */
 
int f(int c, int b, int d)
{
  int r, e;
 
  if (c)
    r = b + d;
  else
    {
      e = d + b;
      r = e;
    }
 
  return r;
}
 
/* { dg-final { scan-tree-dump-times "if " 0 "pre"} } */
/* { dg-final { scan-tree-dump-times "_.*\\\+.*_" 1 "pre"} } */
/* { dg-final { scan-tree-dump-not "Invalid sum" "pre"} } */
/* { dg-final { cleanup-tree-dump "pre" } } */