[es6] implement destructuring assignment

src/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-literal-reindexer.h"
 
 #include "src/ast.h"
 #include "src/scopes.h"
 
 namespace v8 {
@@ skipping 237 matching lines @@
   if (node->constructor()) Visit(node->constructor());
   if (node->class_variable_proxy()) {
     VisitVariableProxy(node->class_variable_proxy());
   }
   for (int i = 0; i < node->properties()->length(); i++) {
     VisitObjectLiteralProperty(node->properties()->at(i));
   }
 }
 
 
+void AstLiteralReindexer::VisitAssignmentPattern(AssignmentPattern* node) {
+  Visit(node->pattern());
+}
+
+
 void AstLiteralReindexer::VisitObjectLiteral(ObjectLiteral* node) {
   UpdateIndex(node);
   for (int i = 0; i < node->properties()->length(); i++) {
     VisitObjectLiteralProperty(node->properties()->at(i));
   }
 }
 
 
 void AstLiteralReindexer::VisitObjectLiteralProperty(
     ObjectLiteralProperty* node) {
@@ skipping 48 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