==== tests/cases/conformance/expressions/thisKeyword/thisInInvalidContextsExternalModule.ts (9 errors) ====
    //'this' in static member initializer
    class ErrClass1 {
        static t = this; // Error
                   ~~~~
!!! error TS2334: 'this' cannot be referenced in a static property initializer.
    }
    
    class BaseErrClass {
        constructor(t: any) { }
    }
    
    class ClassWithNoInitializer extends BaseErrClass {
        t;
        //'this' in optional super call
        constructor() {
            super(this); // OK
        }
    }
    
    class ClassWithInitializer extends BaseErrClass {
        t = 4;
        //'this' in required super call
        constructor() {
            super(this); // Error
                  ~~~~
!!! error TS2332: 'this' cannot be referenced in current location.
        }
    }
    
    module M {
        //'this' in module variable
        var x = this; // Error
                ~~~~
!!! error TS2331: 'this' cannot be referenced in a module body.
    }
    
    //'this' as type parameter constraint
    // function fn<T extends this >() { } // Error
    
    //'this' as a type argument
    function genericFunc<T>(x: T) { }
    genericFunc<this>(undefined);  // Should be an error
    
    class ErrClass3 extends this {
                            ~~~~
!!! error TS1003: Identifier expected.
                                 ~
!!! error TS1005: ';' expected.
    
    }
    
    //'this' as a computed enum value
    enum SomeEnum {
        A = this, // Should not be allowed
            ~~~~
!!! error TS2332: 'this' cannot be referenced in current location.
        B = this.spaaaace // Also should not be allowed
            ~~~~
!!! error TS2332: 'this' cannot be referenced in current location.
    }
    
    export = this; // Should be an error
    ~~~~~~~~
!!! error TS1148: Cannot compile external modules unless the '--module' flag is provided.
             ~~~~
!!! error TS1003: Identifier expected.