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Fix array copy subtyping - #665

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titzer merged 4 commits into
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fix_array_copy_subtyping
Jul 22, 2026
Merged

Fix array copy subtyping#665
titzer merged 4 commits into
masterfrom
fix_array_copy_subtyping

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@titzer titzer commented Jul 22, 2026

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Fixes #656

@titzer
titzer merged commit 5e10e6f into master Jul 22, 2026
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array.copy checks element-type subtyping in the wrong direction (accepts an unsound narrowing copy that faults the host)

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