Import Reversed adapter from Chromium and use it in v8.

src/compiler/scheduler.cc

 // Copyright 2013 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/compiler/scheduler.h"
 
 #include <iomanip>
 
+#include "src/base/adapters.h"
 #include "src/bit-vector.h"
 #include "src/compiler/common-operator.h"
 #include "src/compiler/control-equivalence.h"
 #include "src/compiler/graph.h"
 #include "src/compiler/node.h"
 #include "src/compiler/node-marker.h"
 #include "src/compiler/node-properties.h"
 #include "src/zone-containers.h"
 
 namespace v8 {
@@ skipping 1596 matching lines @@
 
   // Serialize the assembly order and reverse-post-order numbering.
   special_rpo_->SerializeRPOIntoSchedule();
   special_rpo_->PrintAndVerifySpecialRPO();
 
   // Add collected nodes for basic blocks to their blocks in the right order.
   int block_num = 0;
   for (NodeVector& nodes : scheduled_nodes_) {
     BasicBlock::Id id = BasicBlock::Id::FromInt(block_num++);
     BasicBlock* block = schedule_->GetBlockById(id);
-    for (auto i = nodes.rbegin(); i != nodes.rend(); ++i) {
-      schedule_->AddNode(block, *i);
+    for (auto i : base::Reversed(nodes)) {

[Michael Starzinger, 2015/04/20 13:11:14]

nit: s/auto i/Node* node/

[Sven Panne, 2015/04/20 14:38:35]

Done.

+      schedule_->AddNode(block, i);
     }
   }
 }
 
 
 // -----------------------------------------------------------------------------
 
 
 void Scheduler::FuseFloatingControl(BasicBlock* block, Node* node) {
   TRACE("--- FUSE FLOATING CONTROL ----------------------------------\n");
@@ skipping 53 matching lines @@
   for (Node* const node : *nodes) {
     schedule_->SetBlockForNode(to, node);
     scheduled_nodes_[to->id().ToSize()].push_back(node);
   }
   nodes->clear();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8