[es6] implement destructuring assignment

src/ast/ast-literal-reindexer.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/ast/ast-literal-reindexer.h"
 
 #include "src/ast/ast.h"
 #include "src/ast/scopes.h"
 
 namespace v8 {
@@ skipping 58 matching lines @@
 }
 
 
 void AstLiteralReindexer::VisitSuperCallReference(SuperCallReference* node) {
   Visit(node->this_var());
   Visit(node->new_target_var());
   Visit(node->this_function_var());
 }
 
 
+void AstLiteralReindexer::VisitRewritableExpression(
+    RewritableExpression* node) {
+  Visit(node->expression());
+}
+
+
 void AstLiteralReindexer::VisitImportDeclaration(ImportDeclaration* node) {
   VisitVariableProxy(node->proxy());
 }
 
 
 void AstLiteralReindexer::VisitExpressionStatement(ExpressionStatement* node) {
   Visit(node->expression());
 }
 
 
@@ skipping 227 matching lines @@
 void AstLiteralReindexer::VisitFunctionLiteral(FunctionLiteral* node) {
   // We don't recurse into the declarations or body of the function literal:
 }
 
 
 void AstLiteralReindexer::Reindex(Expression* pattern) {
   pattern->Accept(this);
 }
 }  // namespace internal
 }  // namespace v8