==== tests/cases/conformance/classes/members/constructorFunctionTypes/classWithBaseClassButNoConstructor.ts (4 errors) ==== class Base { constructor(x: number) { } } class C extends Base { foo: string; } var r = C; var c = new C(); // error ~~~~~~~ !!! Supplied parameters do not match any signature of call target. var c2 = new C(1); // ok class Base2 { constructor(x: T) { } } class D extends Base2 { foo: U; } var r2 = D; var d = new D(); // error ~~~~~~~ !!! Supplied parameters do not match any signature of call target. var d2 = new D(1); // ok // specialized base class class D2 extends Base2 { foo: U; } var r3 = D2; var d3 = new D(); // error ~~~~~~~ !!! Supplied parameters do not match any signature of call target. var d4 = new D(1); // ok class D3 extends Base2 { foo: string; } var r4 = D3; var d5 = new D(); // error ~~~~~~~ !!! Supplied parameters do not match any signature of call target. var d6 = new D(1); // ok