Debugger no longer causes top level variable initialization

runtime/vm/symbols.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_SYMBOLS_H_
 #define VM_SYMBOLS_H_
 
 #include "vm/object.h"
 #include "vm/snapshot_ids.h"
 
@@ skipping 279 matching lines @@
   V(_LocalMethodMirror, "_LocalMethodMirror")                                  \
   V(_LocalVariableMirror, "_LocalVariableMirror")                              \
   V(_LocalParameterMirror, "_LocalParameterMirror")                            \
   V(_LocalIsolateMirror, "_LocalIsolateMirror")                                \
   V(_LocalMirrorSystem, "_LocalMirrorSystem")                                  \
   V(_LocalTypedefMirror, "_LocalTypedefMirror")                                \
   V(_LocalTypeVariableMirror, "_LocalTypeVariableMirror")                      \
   V(hashCode, "get:hashCode")                                                  \
   V(_leftShiftWithMask32, "_leftShiftWithMask32")                              \
   V(OptimizedOut, "<optimized out>")                                           \
+  V(Uninitialized, "<uninitialized>")                                          \
   V(ClassId, "get:_classId")                                                   \
 
 
 // Contains a list of frequently used strings in a canonicalized form. This
 // list is kept in the vm_isolate in order to share the copy across isolates
 // without having to maintain copies in each isolate.
 class Symbols : public AllStatic {
  public:
   enum { kMaxOneCharCodeSymbol = 0xFF };
 
@@ skipping 199 matching lines @@
   friend class SnapshotReader;
   friend class SnapshotWriter;
   friend class ApiMessageReader;
 
   DISALLOW_COPY_AND_ASSIGN(Symbols);
 };
 
 }  // namespace dart
 
 #endif  // VM_SYMBOLS_H_