Version 3.5.5.

src/parser.h

Index: src/parser.h
===================================================================
--- src/parser.h	(revision 8931)
+++ src/parser.h	(working copy)
@@ -435,6 +435,7 @@
   void ReportMessageAt(Scanner::Location loc,
                        const char* message,
                        Vector<Handle<String> > args);
+  void SetHarmonyBlockScoping(bool block_scoping);
 
  private:
   // Limit on number of function parameters is chosen arbitrarily.
@@ -483,6 +484,7 @@
   Statement* ParseFunctionDeclaration(bool* ok);
   Statement* ParseNativeDeclaration(bool* ok);
   Block* ParseBlock(ZoneStringList* labels, bool* ok);
+  Block* ParseScopedBlock(ZoneStringList* labels, bool* ok);
   Block* ParseVariableStatement(bool* ok);
   Block* ParseVariableDeclarations(bool accept_IN,
                                    Handle<String>* out,
@@ -493,7 +495,6 @@
   Statement* ParseContinueStatement(bool* ok);
   Statement* ParseBreakStatement(ZoneStringList* labels, bool* ok);
   Statement* ParseReturnStatement(bool* ok);
-  Block* WithHelper(Expression* obj, ZoneStringList* labels, bool* ok);
   Statement* ParseWithStatement(ZoneStringList* labels, bool* ok);
   CaseClause* ParseCaseClause(bool* default_seen_ptr, bool* ok);
   SwitchStatement* ParseSwitchStatement(ZoneStringList* labels, bool* ok);
@@ -715,6 +716,7 @@
   // Heuristically that means that the function will be called immediately,
   // so never lazily compile it.
   bool parenthesized_function_;
+  bool harmony_block_scoping_;
 
   friend class LexicalScope;
 };