tests/cases/conformance/classes/classDeclarations/classAbstractKeyword/classAbstractUsingAbstractMethod1.ts(16,5): error TS2511: Cannot create an instance of the abstract class 'C'.


==== tests/cases/conformance/classes/classDeclarations/classAbstractKeyword/classAbstractUsingAbstractMethod1.ts (1 errors) ====
    abstract class A {
        abstract foo() : number;
    }
    
    class B extends A {
        foo() { return 1; }
    }
    
    abstract class C extends A  {
        abstract foo() : number;
    }
    
    var a = new B;
    a.foo();
    
    a = new C; // error, cannot instantiate abstract class.
        ~~~~~
!!! error TS2511: Cannot create an instance of the abstract class 'C'.
    a.foo();