[es6] Handle super properly when rewriting arrow parameter initializers

src/ast-expression-visitor.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #include "src/ast-expression-visitor.h"
 
 #include "src/ast.h"
 #include "src/codegen.h"
@@ skipping 360 matching lines @@
 void AstExpressionVisitor::VisitSpread(Spread* expr) {
   VisitExpression(expr);
   RECURSE_EXPRESSION(Visit(expr->expression()));
 }
 
 
 void AstExpressionVisitor::VisitEmptyParentheses(EmptyParentheses* expr) {}
 
 
 void AstExpressionVisitor::VisitSuperPropertyReference(
-    SuperPropertyReference* expr) {}
+    SuperPropertyReference* expr) {
+  VisitExpression(expr);
+  RECURSE_EXPRESSION(VisitVariableProxy(expr->this_var()));
+  RECURSE_EXPRESSION(Visit(expr->home_object()));
+}
 
 
-void AstExpressionVisitor::VisitSuperCallReference(SuperCallReference* expr) {}
+void AstExpressionVisitor::VisitSuperCallReference(SuperCallReference* expr) {
+  VisitExpression(expr);
+  RECURSE_EXPRESSION(VisitVariableProxy(expr->this_var()));
+  RECURSE_EXPRESSION(VisitVariableProxy(expr->new_target_var()));
+  RECURSE_EXPRESSION(VisitVariableProxy(expr->this_function_var()));
+}
 
 
 }  // namespace internal
 }  // namespace v8