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/* { dg-do compile } */
/* { dg-options "-O1 -fdump-tree-fab" } */
 
/* Check that we fold strlen of equally long strings, and that we do not
   fail to terminate when there is a nontrivial cycle in the corresponding
   ssa graph.  */
 
extern __SIZE_TYPE__ strlen (const char *);
 
void foo(int i)
{
  char *s = "abcde";
 
  if (i)
    {
      s = "defgh";
      goto middle;
    }
 
start:
 
  bla ();
 
middle:
 
  if (bla ())
    goto start;
 
  bar (strlen (s));
}
 
/* There should be no calls to strlen.  */
/* { dg-final { scan-tree-dump-times "strlen" 0 "fab"} } */
/* { dg-final { cleanup-tree-dump "fab" } } */