tests/cases/compiler/jsdocTypeCast.js(6,9): error TS2322: Type 'string' is not assignable to type '"a" | "b"'.
tests/cases/compiler/jsdocTypeCast.js(10,9): error TS2322: Type 'string' is not assignable to type '"a" | "b"'.


==== tests/cases/compiler/jsdocTypeCast.js (2 errors) ====
    /**
     * @param {string} x
     */
     function f(x) {
        /** @type {'a' | 'b'} */
        let a = (x); // Error
            ~
!!! error TS2322: Type 'string' is not assignable to type '"a" | "b"'.
        a;
    
        /** @type {'a' | 'b'} */
        let b = (((x))); // Error
            ~
!!! error TS2322: Type 'string' is not assignable to type '"a" | "b"'.
        b;
    
        /** @type {'a' | 'b'} */
        let c = /** @type {'a' | 'b'} */ (x); // Ok
        c;
    }
    