==== tests/cases/compiler/functionOverloads19.ts (1 errors) ====
    function foo(bar:{b:string;});
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! functionOverloads19.ts(1,1): error TS2149: Overload signature is not compatible with function definition:
!!! 	Type '{ a: any; }' is missing property 'b' from type '{ b: string; }'.
!!! 	Type '{ b: string; }' is missing property 'a' from type '{ a: any; }'.
    function foo(bar:{a:string;});
    function foo(bar:{a:any;}) { return {a:""} }
    