[es6] Disable tail call optimization in optimizing compilers for now.

src/ast/ast-numbering.cc

Index: src/ast/ast-numbering.cc
diff --git a/src/ast/ast-numbering.cc b/src/ast/ast-numbering.cc
index 67606f0a3bfbbfa161fcc2037e1d8758ba7c237a..9b49e300cee3a7de662e0b24cb787f73c680bec5 100644
--- a/src/ast/ast-numbering.cc
+++ b/src/ast/ast-numbering.cc
@@ -505,7 +505,7 @@ void AstNumberingVisitor::VisitArrayLiteral(ArrayLiteral* node) {
 void AstNumberingVisitor::VisitCall(Call* node) {
   IncrementNodeCount();
   if (node->tail_call_mode() == TailCallMode::kAllow) {
-    DisableCrankshaft(kTailCall);
+    DisableOptimization(kTailCall);
   }
   ReserveFeedbackSlots(node);
   node->set_base_id(ReserveIdRange(Call::num_ids()));