Implement basic code generation for arrow functions

src/factory.h

Index: src/factory.h
diff --git a/src/factory.h b/src/factory.h
index 4dd1974fcddb198e373f5d5cf04af18afd5ccd32..308e866e9a4723b32aea710f4a3f1a74c8bc2599 100644
--- a/src/factory.h
+++ b/src/factory.h
@@ -607,11 +607,8 @@ class Factory V8_FINAL {
 
   // Allocates a new SharedFunctionInfo object.
   Handle<SharedFunctionInfo> NewSharedFunctionInfo(
-      Handle<String> name,
-      int number_of_literals,
-      bool is_generator,
-      Handle<Code> code,
-      Handle<ScopeInfo> scope_info,
+      Handle<String> name, int number_of_literals, bool is_generator,
+      bool is_arrow, Handle<Code> code, Handle<ScopeInfo> scope_info,
       Handle<FixedArray> feedback_vector);
   Handle<SharedFunctionInfo> NewSharedFunctionInfo(Handle<String> name,
                                                    MaybeHandle<Code> code);