Do not remove write barriers for stores of old space references in most recent old space allocation.

src/crankshaft/hydrogen-instructions.h

Index: src/crankshaft/hydrogen-instructions.h
diff --git a/src/crankshaft/hydrogen-instructions.h b/src/crankshaft/hydrogen-instructions.h
index 83dc59755ba9786670e0396fc5d45f04bbc9466b..d4026918f3ac256598a663497d8fc645b8322604 100644
--- a/src/crankshaft/hydrogen-instructions.h
+++ b/src/crankshaft/hydrogen-instructions.h
@@ -5692,15 +5692,6 @@ inline bool ReceiverObjectNeedsWriteBarrier(HValue* object,
     if (value->IsConstant() && HConstant::cast(value)->NotInNewSpace()) {
       return false;
     }
-    // Stores to old space allocations require no write barriers if the value is
-    // an old space allocation.
-    while (value->IsInnerAllocatedObject()) {
-      value = HInnerAllocatedObject::cast(value)->base_object();
-    }
-    if (value->IsAllocate() &&
-        !HAllocate::cast(value)->IsNewSpaceAllocation()) {
-      return false;
-    }
   }
   return true;
 }