From 680af93c36e6e829a616dad32572fd237c20eda8 Mon Sep 17 00:00:00 2001
From: "mstarzinger@chromium.org"
 <mstarzinger@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00>
Date: Tue, 17 Sep 2013 10:27:19 +0000
Subject: [PATCH] Ensure escape analysis preserves boxed HeapNumber.

R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/23940005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16755 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
---
 src/deoptimizer.cc | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/deoptimizer.cc b/src/deoptimizer.cc
index c979a53..0c9760e 100644
--- a/src/deoptimizer.cc
+++ b/src/deoptimizer.cc
@@ -1617,9 +1617,10 @@ Handle<Object> Deoptimizer::MaterializeNextHeapObject() {
     Handle<Map> map = Handle<Map>::cast(MaterializeNextValue());
     switch (map->instance_type()) {
       case HEAP_NUMBER_TYPE: {
-        Handle<HeapNumber> number =
-            Handle<HeapNumber>::cast(MaterializeNextValue());
-        materialized_objects_->Add(number);
+        Handle<HeapNumber> object = isolate_->factory()->NewHeapNumber(0.0);
+        materialized_objects_->Add(object);
+        Handle<Object> number = MaterializeNextValue();
+        object->set_value(number->Number());
         materialization_value_index_ += kDoubleSize / kPointerSize - 1;
         break;
       }
-- 
2.7.4