From: ishell@chromium.org <ishell@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00>
Date: Tue, 4 Feb 2014 10:59:40 +0000 (+0000)
Subject: Fix in array instance type initialization.
X-Git-Tag: upstream/4.7.83~10890
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0f89c8b91d83d08fe6838e488839ea2900df98a1;p=platform%2Fupstream%2Fv8.git

Fix in array instance type initialization.

R=dslomov@chromium.org

Review URL: https://codereview.chromium.org/134713004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19058 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
---

diff --git a/src/hydrogen.cc b/src/hydrogen.cc
index a564767..a7b8766 100644
--- a/src/hydrogen.cc
+++ b/src/hydrogen.cc
@@ -8651,18 +8651,17 @@ void HOptimizedGraphBuilder::VisitTypedArrayInitialize(
         HObjectAccess::ForJSTypedArrayLength(),
         length);
 
+    Handle<Map> external_array_map(
+        isolate()->heap()->MapForExternalArrayType(array_type));
+
     HValue* elements =
         Add<HAllocate>(
             Add<HConstant>(ExternalArray::kAlignedSize),
             HType::JSArray(),
             NOT_TENURED,
-            static_cast<InstanceType>(FIRST_EXTERNAL_ARRAY_TYPE + array_type));
+            external_array_map->instance_type());
 
-    Handle<Map> external_array_map(
-        isolate()->heap()->MapForExternalArrayType(array_type));
-    Add<HStoreNamedField>(elements,
-        HObjectAccess::ForMap(),
-        Add<HConstant>(external_array_map));
+    AddStoreMapConstant(elements, external_array_map);
 
     HValue* backing_store = Add<HLoadNamedField>(
         buffer, static_cast<HValue*>(NULL),