- Add a separate step to finalize the VM isolate explicitly.

runtime/vm/symbols.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/symbols.h"
 
 #include "vm/handles.h"
 #include "vm/handles_impl.h"
 #include "vm/hash_table.h"
 #include "vm/isolate.h"
@@ skipping 54 matching lines @@
   // Create all predefined symbols.
   ASSERT((sizeof(names) / sizeof(const char*)) == Symbols::kNullCharId);
 
   // First set up all the predefined string symbols.
   for (intptr_t i = 1; i < Symbols::kKwTableStart; i++) {
     String* str = String::ReadOnlyHandle();
     *str = OneByteString::New(names[i], Heap::kOld);
     AddToVMIsolate(*str);
     symbol_handles_[i] = str;
   }
-  Object::RegisterSingletonClassNames();
 
   // Create symbols for language keywords. Some keywords are equal to
   // symbols we already created, so use New() instead of Add() to ensure
   // that the symbols are canonicalized.
   for (intptr_t i = Symbols::kKwTableStart; i < Symbols::kNullCharId; i++) {
     String* str = String::ReadOnlyHandle();
     *str = New(names[i]);
     symbol_handles_[i] = str;
   }
 
@@ skipping 304 matching lines @@
 RawObject* Symbols::GetVMSymbol(intptr_t object_id) {
   ASSERT(IsVMSymbolId(object_id));
   intptr_t i = (object_id - kMaxPredefinedObjectIds);
   if ((i > kIllegal) && (i < Symbols::kMaxPredefinedId)) {
     return symbol_handles_[i]->raw();
   }
   return Object::null();
 }
 
 }  // namespace dart