Implement ES6 rest parameters

src/compiler/ast-graph-builder.h

 // Copyright 2014 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.
 
 #ifndef V8_COMPILER_AST_GRAPH_BUILDER_H_
 #define V8_COMPILER_AST_GRAPH_BUILDER_H_
 
 #include "src/v8.h"
 
 #include "src/ast.h"
@@ skipping 189 matching lines @@
   // Builder to create a receiver check for sloppy mode.
   Node* BuildPatchReceiverToGlobalProxy(Node* receiver);
 
   // Builders to create local function and block contexts.
   Node* BuildLocalFunctionContext(Node* context, Node* closure);
   Node* BuildLocalBlockContext(Scope* scope);
 
   // Builder to create an arguments object if it is used.
   Node* BuildArgumentsObject(Variable* arguments);
 
+  // Builder to create an array of rest parameters if used
+  Node* BuildRestArgumentsArray(Variable* rest, int index);
+
   // Builders for variable load and assignment.
   Node* BuildVariableAssignment(Variable* var, Node* value, Token::Value op,
                                 BailoutId bailout_id,
                                 OutputFrameStateCombine state_combine =
                                     OutputFrameStateCombine::Ignore());
   Node* BuildVariableDelete(Variable* var, BailoutId bailout_id,
                             OutputFrameStateCombine state_combine);
   Node* BuildVariableLoad(Variable* var, BailoutId bailout_id,
                           const VectorSlotPair& feedback,
                           ContextualMode mode = CONTEXTUAL);
@@ skipping 232 matching lines @@
 
   // Prepare environment to be used as loop header.
   void PrepareForLoop(BitVector* assigned, bool is_osr = false);
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_AST_GRAPH_BUILDER_H_