Reset top-level class finalization

runtime/vm/object.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/object.h"
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/assembler.h"
 #include "vm/cpu.h"
@@ skipping 3519 matching lines @@
 }
 
 
 void Class::set_is_finalized() const {
   ASSERT(!is_finalized());
   set_state_bits(ClassFinalizedBits::update(RawClass::kFinalized,
                                             raw_ptr()->state_bits_));
 }
 
 
+void Class::ResetFinalization() const {
+  ASSERT(IsTopLevel());
+  set_state_bits(ClassFinalizedBits::update(RawClass::kAllocated,
+                                            raw_ptr()->state_bits_));
+  set_state_bits(TypeFinalizedBit::update(false, raw_ptr()->state_bits_));
+}
+
+
 void Class::set_is_prefinalized() const {
   ASSERT(!is_finalized());
   set_state_bits(ClassFinalizedBits::update(RawClass::kPreFinalized,
                                             raw_ptr()->state_bits_));
 }
 
 
 void Class::set_is_marked_for_parsing() const {
   set_state_bits(MarkedForParsingBit::update(true, raw_ptr()->state_bits_));
 }
@@ skipping 18372 matching lines @@
   return tag_label.ToCString();
 }
 
 
 void UserTag::PrintJSONImpl(JSONStream* stream, bool ref) const {
   Instance::PrintJSONImpl(stream, ref);
 }
 
 
 }  // namespace dart