==== tests/cases/compiler/restArgAssignmentCompat.ts (1 errors) ====
    function f(...x: number[]) {
        x.forEach((n, i) => void ('item ' + i + ' = ' + n));
    }
    function g(x: number[], y: string) { }
    
    var n = g;
    n = f;
    ~
!!! Type '(...x: number[]) => void' is not assignable to type '(x: number[], y: string) => void':
!!!   Types of parameters 'x' and 'x' are incompatible:
!!!     Type 'number' is not assignable to type 'number[]':
!!!       Property 'length' is missing in type 'Number'.
    n([4], 'foo');