Validate AtomicFixnum update results before mutation - #1114
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OskarEichler wants to merge 1 commit into
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bensheldon
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Aug 29, 2026
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How would it become corrupted? Can it be tested?
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Validates the block result through the same integer assignment path before changing state. Invalid update results now raise without corrupting the mutex-backed or native atomic value.
Verified by focused native/mutex specs and models; the review composite passes 2,796 examples with no failures.