GrowArrayElementsStub must save caller doubles for double ElementsKind.

src/code-stubs-hydrogen.cc

Index: src/code-stubs-hydrogen.cc
diff --git a/src/code-stubs-hydrogen.cc b/src/code-stubs-hydrogen.cc
index d346e95af20411b48aadef4fedca2a977f531719..d841ea05cb76abe0e1d9040fcd76847271d64895 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 =