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/* PR 15349.  Merge two PHI nodes.  */
/* { dg-do compile } */
/* { dg-options "-O1 -fdump-tree-mergephi" } */
 
int
foo (int a, int b)
{
  int t;
 
  if (b)
    {
      if (a)
	t = 3;
      else
	t = 5;
 
      a = 0;
    }
  else
    t = 7;
 
  return t;
}
 
/* { dg-final { scan-tree-dump-times "PHI" 1 "mergephi"} } */
/* { dg-final { cleanup-tree-dump "mergephi" } } */