Made the entries of the various *_FUNCTION_LISTs disjoint.

src/runtime/runtime-date.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/v8.h"
 
 #include "src/arguments.h"
 #include "src/date.h"
 #include "src/dateparser-inl.h"
 #include "src/runtime/runtime-utils.h"
@@ skipping 152 matching lines @@
       Handle<FixedArray>::cast(isolate->eternal_handles()->GetSingleton(
           EternalHandles::DATE_CACHE_VERSION));
   // Return result as a JS array.
   Handle<JSObject> result =
       isolate->factory()->NewJSObject(isolate->array_function());
   JSArray::SetContent(Handle<JSArray>::cast(result), date_cache_version);
   return *result;
 }
 
 
-RUNTIME_FUNCTION(RuntimeReference_DateField) {
+RUNTIME_FUNCTION(Runtime_DateField) {
   SealHandleScope shs(isolate);
   DCHECK(args.length() == 2);
   CONVERT_ARG_CHECKED(Object, obj, 0);
   CONVERT_SMI_ARG_CHECKED(index, 1);
   if (!obj->IsJSDate()) {
     HandleScope scope(isolate);
     THROW_NEW_ERROR_RETURN_FAILURE(
         isolate,
         NewTypeError("not_date_object", HandleVector<Object>(NULL, 0)));
   }
   JSDate* date = JSDate::cast(obj);
   if (index == 0) return date->value();
   return JSDate::GetField(date, Smi::FromInt(index));
 }
 }
 }  // namespace v8::internal