Pretenure mode was erroneously consulted in FastCloneShallowObjectStub.

FastCloneShallowObjectStub is only called from full code. When the code
is optimized, then we'll inline the cloning and respect pretenure mode.

R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/104403008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18368 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/code-stubs-hydrogen.cc

@@ -460,7 +460,7 @@ HValue* CodeStubGraphBuilder<FastCloneShallowObjectStub>::BuildCodeStub() {
   HValue* size_in_bytes = Add<HConstant>(size);
 
   HInstruction* object = Add<HAllocate>(size_in_bytes, HType::JSObject(),
-      isolate()->heap()->GetPretenureMode(), JS_OBJECT_TYPE);
+      NOT_TENURED, JS_OBJECT_TYPE);
 
   for (int i = 0; i < object_size; i += kPointerSize) {
     HObjectAccess access = HObjectAccess::ForJSObjectOffset(i);