/* should not generate diagnostics */
const boolExpr3 = true;
const boolExpr4 = false;
const r5 = !(boolExpr1 && boolExpr2);
const boolExpr5 = true;
const boolExpr6 = false;
const r6 = !!boolExpr1 || !!boolExpr2;
!!x;
