Mark types as instantiated or uninstantiated upon finalization.

runtime/vm/raw_object.h

 // 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.
 
 #ifndef VM_RAW_OBJECT_H_
 #define VM_RAW_OBJECT_H_
 
 #include "platform/assert.h"
 #include "vm/globals.h"
 #include "vm/token.h"
@@ skipping 360 matching lines @@
   }
   intptr_t token_index_;
 };
 
 
 class RawAbstractType : public RawObject {
  protected:
   enum TypeState {
     kAllocated,  // Initial state.
     kBeingFinalized,  // In the process of being finalized.
-    kFinalized,  // Type ready for use.
+    kFinalizedInstantiated,  // Instantiated type ready for use.
+    kFinalizedUninstantiated,  // Uninstantiated type ready for use.
   };
 
  private:
   RAW_HEAP_OBJECT_IMPLEMENTATION(AbstractType);
 
   friend class ObjectStore;
 };
 
 
 class RawType : public RawAbstractType {
@@ skipping 793 matching lines @@
   intptr_t type_;  // Uninitialized, simple or complex.
   intptr_t flags_;  // Represents global/local, case insensitive, multiline.
 
   // Variable length data follows here.
   uint8_t data_[0];
 };
 
 }  // namespace dart
 
 #endif  // VM_RAW_OBJECT_H_