Refactor Object::SetSuperProperty and others.

src/objects-inl.h

Index: src/objects-inl.h
diff --git a/src/objects-inl.h b/src/objects-inl.h
index d16b0e2b72091fcda20e6a6c9a04f205f67b6410..bfdf7b66d0b321c6d840f8a630b4bc5a1e260b99 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -1195,7 +1195,9 @@ MaybeHandle<Object> Object::SetElement(Isolate* isolate, Handle<Object> object,
                                        uint32_t index, Handle<Object> value,
                                        LanguageMode language_mode) {
   LookupIterator it(isolate, object, index);
-  return SetProperty(&it, value, language_mode, MAY_BE_STORE_FROM_KEYED);
+  MAYBE_RETURN_NULL(
+      SetProperty(&it, value, language_mode, MAY_BE_STORE_FROM_KEYED));
+  return value;
 }