From 6dcc6e27f6ba7e17eb75d0595d1db647aa51a8d8 Mon Sep 17 00:00:00 2001
From: "palfia@homejinni.com"
 <palfia@homejinni.com@ce2b1a6d-e550-0410-aec6-3dcde31c8c00>
Date: Thu, 13 Jun 2013 18:49:09 +0000
Subject: [PATCH] MIPS: Only extend storage if FIELD

Port r15125 (0c202ff0)

BUG=

Review URL: https://codereview.chromium.org/16983002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15134 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
---
 src/mips/stub-cache-mips.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/mips/stub-cache-mips.cc b/src/mips/stub-cache-mips.cc
index 3681120a7d..e7c8aef6a6 100644
--- a/src/mips/stub-cache-mips.cc
+++ b/src/mips/stub-cache-mips.cc
@@ -537,7 +537,8 @@ void StubCompiler::GenerateStoreTransition(MacroAssembler* masm,
   ASSERT(object->IsJSGlobalProxy() || !object->IsAccessCheckNeeded());
 
   // Perform map transition for the receiver if necessary.
-  if (object->map()->unused_property_fields() == 0) {
+  if (details.type() == FIELD &&
+      object->map()->unused_property_fields() == 0) {
     // The properties must be extended before we can store the value.
     // We jump to a runtime call that extends the properties array.
     __ push(receiver_reg);