Fix for temporaries in parameter initializers

src/ast/scopes.h

Index: src/ast/scopes.h
diff --git a/src/ast/scopes.h b/src/ast/scopes.h
index 0e7d209d466891eae6a6ff55ccff1a5648f0ef80..6c261f63c376fdf9357eb06ad8cf397f1c08a9ec 100644
--- a/src/ast/scopes.h
+++ b/src/ast/scopes.h
@@ -209,6 +209,15 @@ class Scope: public ZoneObject {
   // names.
   Variable* NewTemporary(const AstRawString* name);
 
+  // Remove a temporary variable. This is for adjusting the scope of
+  // temporaries used when desugaring parameter initializers.
+  bool RemoveTemporary(Variable* var);
+
+  // Adds a temporary variable in this scope's TemporaryScope. This is for
+  // adjusting the scope of temporaries used when desugaring parameter
+  // initializers.
+  void AddTemporary(Variable* var) { temps_.Add(var, zone()); }
+
   // Adds the specific declaration node to the list of declarations in
   // this scope. The declarations are processed as part of entering
   // the scope; see codegen.cc:ProcessDeclarations.