=== tests/cases/compiler/functionType.ts ===
function salt() {}
>salt : () => void, Symbol(salt, Decl(functionType.ts, 0, 0))

salt.apply("hello", []);
>salt.apply("hello", []) : any
>salt.apply : (thisArg: any, argArray?: any) => any, Symbol(Function.apply, Decl(lib.d.ts, 228, 20))
>salt : () => void, Symbol(salt, Decl(functionType.ts, 0, 0))
>apply : (thisArg: any, argArray?: any) => any, Symbol(Function.apply, Decl(lib.d.ts, 228, 20))
>"hello" : string
>[] : undefined[]

(new Function("return 5"))();
>(new Function("return 5"))() : any
>(new Function("return 5")) : Function
>new Function("return 5") : Function
>Function : FunctionConstructor, Symbol(Function, Decl(lib.d.ts, 223, 38), Decl(lib.d.ts, 269, 11))
>"return 5" : string