Revert of Replace all remaining Oddball checks with new function

src/runtime/runtime-literals.cc

 // Copyright 2014 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/runtime/runtime-utils.h"
 
 #include "src/allocation-site-scopes.h"
 #include "src/arguments.h"
 #include "src/ast/ast.h"
 #include "src/isolate-inl.h"
@@ skipping 67 matching lines @@
       // simple object or array literal.
       Handle<FixedArray> array = Handle<FixedArray>::cast(value);
       ASSIGN_RETURN_ON_EXCEPTION(
           isolate, value, CreateLiteralBoilerplate(isolate, literals, array),
           Object);
     }
     MaybeHandle<Object> maybe_result;
     uint32_t element_index = 0;
     if (key->ToArrayIndex(&element_index)) {
       // Array index (uint32).
-      if (value->IsUninitialized(isolate)) {
-        value = handle(Smi::FromInt(0), isolate);
-      }
+      if (value->IsUninitialized()) value = handle(Smi::FromInt(0), isolate);
       maybe_result = JSObject::SetOwnElementIgnoreAttributes(
           boilerplate, element_index, value, NONE);
     } else {
       Handle<String> name = Handle<String>::cast(key);
       DCHECK(!name->AsArrayIndex(&element_index));
       maybe_result = JSObject::SetOwnPropertyIgnoreAttributes(boilerplate, name,
                                                               value, NONE);
     }
     RETURN_ON_EXCEPTION(isolate, maybe_result, Object);
   }
@@ skipping 246 matching lines @@
 
   Handle<LiteralsArray> literals(closure->literals(), isolate);
   RETURN_RESULT_OR_FAILURE(
       isolate,
       CreateArrayLiteralImpl(isolate, literals, literals_index, elements,
                              ArrayLiteral::kShallowElements));
 }
 
 }  // namespace internal
 }  // namespace v8