==== tests/cases/compiler/targetTypeBaseCalls.ts (3 errors) ====
    function foo(x: (s: string) => void) { }
     
     
     
    class Foo { constructor(x: (s: string) => void){} }
     
     
     
    foo(function(s) { s = 5 });  // Error, can’t assign number to string
                      ~
!!! Type 'number' is not assignable to type 'string'.
     
     
     
    new Foo(function(s) { s = 5 });  // error, if types are applied correctly
                          ~
!!! Type 'number' is not assignable to type 'string'.
     
     
     
    class Bar extends Foo { constructor() { super(function(s) { s = 5 }) } }  // error, if types are applied correctly
                                                                ~
!!! Type 'number' is not assignable to type 'string'.