Remove strong mode support from property loads.

src/accessors.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/accessors.h"
 
 #include "src/api.h"
 #include "src/contexts.h"
 #include "src/deoptimizer.h"
 #include "src/execution.h"
@@ skipping 124 matching lines @@
   // situation where the caller does not have access.
   if (it.state() == LookupIterator::ACCESS_CHECK) {
     CHECK(it.HasAccess());
     it.Next();
   }
   CHECK_EQ(LookupIterator::ACCESSOR, it.state());
 
   Handle<Object> old_value;
   bool is_observed = observe && receiver->map()->is_observed();
   if (is_observed) {
-    MaybeHandle<Object> maybe_old =
-        Object::GetPropertyWithAccessor(&it, SLOPPY);
+    MaybeHandle<Object> maybe_old = Object::GetPropertyWithAccessor(&it);
     if (!maybe_old.ToHandle(&old_value)) return maybe_old;
   }
 
   it.ReconfigureDataProperty(value, it.property_attributes());
 
   if (is_observed && !old_value->SameValue(*value)) {
     return JSObject::EnqueueChangeRecord(receiver, "update", name, old_value);
   }
 
   return value;
@@ skipping 1048 matching lines @@
   Isolate* isolate = name->GetIsolate();
   Handle<AccessorInfo> info = MakeAccessor(isolate, name, &ModuleGetExport,
                                            &ModuleSetExport, attributes);
   info->set_data(Smi::FromInt(index));
   return info;
 }
 
 
 }  // namespace internal
 }  // namespace v8