Enforce LinkedReference.dependency == 0 for contained entities.

pkg/analyzer/lib/src/summary/format.dart

 // Copyright (c) 2015, 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.
 //
 // This file has been automatically generated.  Please do not edit it manually.
 // To regenerate the file, use the script "pkg/analyzer/tool/generate_files".
 
 library analyzer.src.summary.format;
 
 import 'flat_buffers.dart' as fb;
@@ skipping 711 matching lines @@
   int _containingReference;
 
   @override
   int get dependency => _dependency ??= 0;
 
   /**
    * Index into [LinkedLibrary.dependencies] indicating which imported library
    * declares the entity being referred to.
    *
    * Zero if this entity is contained within another entity (e.g. a class
-   * member).
+   * member), or if [kind] is [ReferenceKind.prefix].
    */
   void set dependency(int _value) {
     assert(!_finished);
     assert(_value == null || _value >= 0);
     _dependency = _value;
   }
 
   @override
   idl.ReferenceKind get kind => _kind ??= idl.ReferenceKind.classOrEnum;
 
@@ skipping 4079 matching lines @@
     "type": type,
     "constExpr": constExpr,
     "isStatic": isStatic,
     "isFinal": isFinal,
     "isConst": isConst,
     "propagatedTypeSlot": propagatedTypeSlot,
     "inferredTypeSlot": inferredTypeSlot,
   };
 }