access win.parent cause crash if win is closed

[ghostoy]

Following test case can help to reproduce the issue

var win = window.open('about:blank');
win.close();
setTimeout(function() {
     console.log(win.parent); // <-- crash here
}, 1000);

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[Christywl]

The above code works fine on Linux with nwjs-sdk-v0.23.2. No crash occurs.

[Christywl]

close until there is more information.