tests/cases/compiler/narrowingTruthyObject.ts(3,9): error TS18047: 'x' is possibly 'null'.


==== tests/cases/compiler/narrowingTruthyObject.ts (1 errors) ====
    function foo(x: unknown, b: boolean) {
        if (typeof x === 'object') {
            x.toString();
            ~
!!! error TS18047: 'x' is possibly 'null'.
        }
        if (typeof x === 'object' && x) {
            x.toString();
        }
        if (x && typeof x === 'object') {
            x.toString();
        }
        if (b && x && typeof x === 'object') {
            x.toString();
        }
        if (x && b && typeof x === 'object') {
            x.toString();
        }
        if (x && b && b && typeof x === 'object') {
            x.toString();
        }
        if (b && b && x && b && b && typeof x === 'object') {
            x.toString();
        }
    }
    
    // Repro from #36870
    
    function f1(x: unknown): any {
        return x && typeof x === 'object' && x.hasOwnProperty('x');
    }