anchor.diff:      parent = oldParent;
     }
   }
  +
  +void checkInitializers(Constructor constructor) {
  +  // TODO(ahe): I'll add more here in other CLs.
  +}
  
positive.code:   final List<VariableDeclaration> variableStack = <VariableDeclaration>[];
    bool classTypeParametersAreInScope = false;
  
    Member currentMember;
    Class currentClass;
    TreeNode currentParent;
  
negative.code:     int stackHeight = enterLocalScope();
      visitChildren(node.function);
      visitList(node.initializers, this);
      if (!isOutline) {
        checkInitializers(node);
      }
      exitLocalScope(stackHeight);
      classTypeParametersAreInScope = false;
      visitList(node.annotations, this);
  