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Comment by speedbird | Hacker News Reader

Object become: nil -- pretty findamental rug pull

Which could be handled without crash & exit behavior.

That does not crash Pharo Smalltalk.

That does not crash Dolphin Smalltalk.

    Object class(Object)>>error:
    Object class(Object)>>primitiveFailed
    Object class(Object)>>become:
    UndefinedObject>>{unbound}doIt

Every time a young hacker finds one of these, it gets patched.

Today after re-install on MSWin10

    Object become: nil

Cuis does crash & exit, or hangs, or …

    Sorry but the Squeak VM has crashed.
    …
    crash.dmp