[WIP] for-of iterator finalization

src/parsing/parser.h

Index: src/parsing/parser.h
diff --git a/src/parsing/parser.h b/src/parsing/parser.h
index 87b6a910a458bb231687a0a4fb268d0194f99865..b4e9dba2d45b325f7b87ef02f58ee13c37fc449d 100644
--- a/src/parsing/parser.h
+++ b/src/parsing/parser.h
@@ -461,6 +461,8 @@ class ParserTraits {
                             MessageTemplate::Template message,
                             const AstRawString* arg, int pos);
 
+  void FinalizeForOfStatement(ForOfStatement* loop, int pos);
+
   // Reporting errors.
   void ReportMessageAt(Scanner::Location source_location,
                        MessageTemplate::Template message,
@@ -663,7 +665,9 @@ class ParserTraits {
   Parser* parser_;
 
   void BuildIteratorClose(ZoneList<Statement*>* statements, Variable* iterator,
-                          Maybe<Variable*> input, Maybe<Variable*> output);
+                          Maybe<Variable*> input, Variable* output);
+  void BuildIteratorClose(ZoneList<Statement*>* statements, Variable* iterator,
+                          Variable* body_threw);
 };