Cleaning up HAllocate space and double alignment selection.

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 151f2de7374efb966218cb5251de0a43d469188c..d9d952c2051a7d20d3b14245745474a5d49f9643 100644
--- a/src/code-stubs-hydrogen.cc
+++ b/src/code-stubs-hydrogen.cc
@@ -437,7 +437,7 @@ HValue* CodeStubGraphBuilder<FastCloneShallowObjectStub>::BuildCodeStub() {
 
   HInstruction* object = AddInstruction(new(zone)
       HAllocate(context(), size_in_bytes, HType::JSObject(),
-          isolate()->heap()->ShouldGloballyPretenure()));
+          isolate()->heap()->GetAllocationMode(), JS_OBJECT_TYPE));
 
   for (int i = 0; i < size; i += kPointerSize) {
     HObjectAccess access = HObjectAccess::ForJSObjectOffset(i);
@@ -463,7 +463,8 @@ HValue* CodeStubGraphBuilder<CreateAllocationSiteStub>::BuildCodeStub() {
 
   HValue* size = AddInstruction(new(zone) HConstant(AllocationSite::kSize));
   HInstruction* object = AddInstruction(new(zone)
-      HAllocate(context(), size, HType::JSObject(), true));
+      HAllocate(context(), size, HType::JSObject(), OLD_SPACE_ALLOCATION,
+          JS_OBJECT_TYPE));
 
   // Store the map
   Handle<Map> allocation_site_map(isolate()->heap()->allocation_site_map(),