anchor.diff:    noSuchMethod(_) => null;
   }
   typedef int IntToInt(int x);
  -Function f = new C();''');
  -    await computeAnalysisResult(source);
  -    assertNoErrors(source);
  -    verify([source]);
  +Function f = new C();
  +''');
     }
   
     test_invalidAssignment_implicitlyImplementFunctionViaCall_4() async {
  
positive.code:   }
  }
  ''');
      await computeAnalysisResult(source);
      assertNoErrors(source);
      verify([source]);
    }
  
    test_issue_35320_maps() async {
      addNamedSource('/lib.dart', '''
  const x = const <String, String>{'a': 'b'};
  ''');
      Source source = addSource('''
  import 'lib.dart';
  const y = const <String, String>{'c': 'd'};
  int f(v) {
  
negative.code: }
  h(x) {}
  ''');
    }
  
    test_parameterScope_topLevel() async {
      // Parameter names shouldn't conflict with the name of the function they
      // are enclosed in.
      await assertNoErrorsInCode(r'''
  g(g) {
    h(g);
  }
  h(x) {}
  ''');
    }
  
    test_parametricCallFunction() async {
      await assertNoErrorsInCode(r'''
  f() {
    var c = new C();
    c<String>().codeUnits;
  