From 9d0d7ec73057c9094e471db84e39cf7b36252674 Mon Sep 17 00:00:00 2001
From: mvstanton <mvstanton@chromium.org>
Date: Tue, 5 May 2015 07:44:02 -0700
Subject: [PATCH] GrowArrayElementsStub must save caller doubles for double
 ElementsKind.

BUG=
R=danno@chromium.org

Review URL: https://codereview.chromium.org/1124653004

Cr-Commit-Position: refs/heads/master@{#28232}
---
 src/code-stubs-hydrogen.cc | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/code-stubs-hydrogen.cc b/src/code-stubs-hydrogen.cc
index d346e95..d841ea0 100644
--- a/src/code-stubs-hydrogen.cc
+++ b/src/code-stubs-hydrogen.cc
@@ -578,11 +578,15 @@ Handle<Code> StoreScriptContextFieldStub::GenerateCode() {
 
 template <>
 HValue* CodeStubGraphBuilder<GrowArrayElementsStub>::BuildCodeStub() {
+  ElementsKind kind = casted_stub()->elements_kind();
+  if (IsFastDoubleElementsKind(kind)) {
+    info()->MarkAsSavesCallerDoubles();
+  }
+
   HValue* object = GetParameter(GrowArrayElementsDescriptor::kObjectIndex);
   HValue* key = GetParameter(GrowArrayElementsDescriptor::kKeyIndex);
   HValue* current_capacity =
       GetParameter(GrowArrayElementsDescriptor::kCapacityIndex);
-  ElementsKind kind = casted_stub()->elements_kind();
 
   HValue* elements = AddLoadElements(object);
   HValue* length =
-- 
2.7.4