Add node id for return node.

runtime/vm/intermediate_language.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_INTERMEDIATE_LANGUAGE_H_
 #define VM_INTERMEDIATE_LANGUAGE_H_
 
 #include "vm/allocation.h"
 #include "vm/ast.h"
 #include "vm/growable_array.h"
@@ skipping 1249 matching lines @@
   const intptr_t temp_index_;
   Computation* computation_;
   Instruction* successor_;
 
   DISALLOW_COPY_AND_ASSIGN(BindInstr);
 };
 
 
 class ReturnInstr : public Instruction {
  public:
-  ReturnInstr(Value* value, intptr_t token_index)
-      : value_(value), token_index_(token_index) {
+  ReturnInstr(intptr_t node_id, intptr_t token_index, Value* value)
+      : node_id_(node_id), token_index_(token_index), value_(value) {
     ASSERT(value_ != NULL);
   }
 
   DECLARE_INSTRUCTION(Return)
 
   Value* value() const { return value_; }
   intptr_t token_index() const { return token_index_; }
+  intptr_t node_id() const { return node_id_; }
 
   virtual Instruction* StraightLineSuccessor() const { return NULL; }
   virtual void SetSuccessor(Instruction* instr) { UNREACHABLE(); }
 
  private:
+  const intptr_t node_id_;
+  const intptr_t token_index_;
   Value* value_;
-  intptr_t token_index_;
 
   DISALLOW_COPY_AND_ASSIGN(ReturnInstr);
 };
 
 
 class ThrowInstr : public Instruction {
  public:
   ThrowInstr(intptr_t node_id,
              intptr_t token_index,
              intptr_t try_index,
@@ skipping 152 matching lines @@
   const GrowableArray<BlockEntryInstr*>& block_order_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FlowGraphVisitor);
 };
 
 
 }  // namespace dart
 
 #endif  // VM_INTERMEDIATE_LANGUAGE_H_