anchor.diff:    foo();
   }
   ''', [
  +      if (typeToStringWithNullability)
  +        error(CompileTimeErrorCode.UNCHECKED_USE_OF_NULLABLE_VALUE, 23, 3),
         error(CompileTimeErrorCode.USE_OF_VOID_RESULT, 23, 3),
       ]);
   
  
positive.code:   }
  
    test_error_prefixIdentifierNotFollowedByDot_deferred() async {
      await assertErrorsInCode(r'''
  import 'dart:math' deferred as math;
  
  
negative.code:   test_hasReceiver_instance_getter() async {
      await assertNoErrorsInCode(r'''
  class C {
    double Function(int) get foo => throw Error();
  }
  
  main(C c) {
  