swc/ecmascript/minifier/tests/terser/compress/properties/issue_t64/output.js

var obj = {
    Base: class {
        constructor() {
            this.id = "PASS";
        }
    },
};
obj.Derived = class extends obj.Base {
    constructor() {
        super();
        console.log(this.id);
    }
};
new obj.Derived();