*** old/src/share/vm/opto/loopTransform.cpp	Mon Feb 22 15:17:21 2016
--- new/src/share/vm/opto/loopTransform.cpp	Mon Feb 22 15:17:21 2016

*** 1460,1474 ****
--- 1460,1470 ----
      Node *bol = iff->in(1);
      assert( bol->Opcode() == Op_Bool, "" );
      Node *cmp = bol->in(1);
      assert( cmp->Opcode() == Op_CmpI, "" );
      opaq = cmp->in(2);
      // Occasionally it's possible for a zero-trip guard Opaque1 node to be
      // optimized away and then another round of loop opts attempted.
      // We can not optimize this particular loop in that case.
      if (opaq->Opcode() != Op_Opaque1)
        return; // Cannot find zero-trip guard!  Bail out!
+     assert(opaq->Opcode() == Op_Opaque1, "");
      // Zero-trip test uses an 'opaque' node which is not shared.
      assert(opaq->outcnt() == 1 && opaq->in(1) == limit, "");
    }
  
    C->set_major_progress();