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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" } } */