Fix corner-case behavior of Object::SetSuperProperty.

src/objects.h

 // 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.
 
 #ifndef V8_OBJECTS_H_
 #define V8_OBJECTS_H_
 
 #include <iosfwd>
 
 #include "src/allocation.h"
@@ skipping 1253 matching lines @@
       Isolate* isolate, Handle<Object> receiver, Handle<Object> name,
       LanguageMode language_mode);
   MUST_USE_RESULT static Maybe<bool> CannotCreateProperty(
       Isolate* isolate, Handle<Object> receiver, Handle<Object> name,
       Handle<Object> value, ShouldThrow should_throw);
   MUST_USE_RESULT static Maybe<bool> WriteToReadOnlyProperty(
       LookupIterator* it, Handle<Object> value, ShouldThrow should_throw);
   MUST_USE_RESULT static Maybe<bool> WriteToReadOnlyProperty(
       Isolate* isolate, Handle<Object> receiver, Handle<Object> name,
       Handle<Object> value, ShouldThrow should_throw);
-  MUST_USE_RESULT static Maybe<bool> RedefineNonconfigurableProperty(
+  MUST_USE_RESULT static Maybe<bool> RedefineIncompatibleProperty(
       Isolate* isolate, Handle<Object> name, Handle<Object> value,
       ShouldThrow should_throw);
   MUST_USE_RESULT static Maybe<bool> SetDataProperty(LookupIterator* it,
                                                      Handle<Object> value,
                                                      ShouldThrow should_throw);
   MUST_USE_RESULT static Maybe<bool> AddDataProperty(
       LookupIterator* it, Handle<Object> value, PropertyAttributes attributes,
       ShouldThrow should_throw, StoreFromKeyed store_mode);
   MUST_USE_RESULT static inline MaybeHandle<Object> GetPropertyOrElement(
       Handle<Object> object, Handle<Name> name,
@@ skipping 9544 matching lines @@
   // (elements + properties) in the current level.
   int levelLength_ = 0;
 
   DISALLOW_COPY_AND_ASSIGN(KeyAccumulator);
 };
 
 }  // NOLINT, false-positive due to second-order macros.
 }  // NOLINT, false-positive due to second-order macros.
 
 #endif  // V8_OBJECTS_H_