anchor.diff:    }
   }
   
  -class PropertyGetContinuation extends ExpressionContinuation {
  +class PropertyGetEK extends ExpressionContinuation {
     final Name name;
     final ExpressionContinuation continuation;
   
  -  PropertyGetContinuation(this.name, this.continuation);
  +  PropertyGetEK(this.name, this.continuation);
   
     Configuration call(Value receiver) {
       // TODO: CPS the invocation of the getter.
  
positive.code:   final Class _currentClass;
    final ObjectValue _newObject;
  
    InstanceFieldsApplication(
        this.constructor, this.environment, this.configuration)
        : _currentClass = new Class(constructor.enclosingClass.reference),
          _newObject = environment.thisInstance;
  
  
negative.code:   }
  }
  
  class OrEK extends ExpressionContinuation {
    final Expression right;
    final Environment environment;
    final ExpressionContinuation continuation;
  
    OrEK(this.right, this.environment, this.continuation);
  
    Configuration call(Value left) {
      return identical(Value.trueInstance, left)
  