[es6] [interpreter] Add tail calls support to Ignition.

src/code-factory.h

Index: src/code-factory.h
diff --git a/src/code-factory.h b/src/code-factory.h
index decab40e57f9869ec870c381df6c4f35453e5ad4..65bf2c0dfc838f4afae702cb8ffd29b70c2f9713 100644
--- a/src/code-factory.h
+++ b/src/code-factory.h
@@ -105,7 +105,8 @@ class CodeFactory final {
   static Callable Construct(Isolate* isolate);
   static Callable ConstructFunction(Isolate* isolate);
 
-  static Callable InterpreterPushArgsAndCall(Isolate* isolate);
+  static Callable InterpreterPushArgsAndCall(Isolate* isolate,
+                                             TailCallMode tail_call_mode);
   static Callable InterpreterPushArgsAndConstruct(Isolate* isolate);
   static Callable InterpreterCEntry(Isolate* isolate, int result_size = 1);
 };