[runtime] Fix assignment of Any with mismatched types. #9218
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The COW existential implementation sets the existential box's new value but fails to set the box's new type. Hijinks ensue when the new value is later used as if it were of the old type. rdar://31955457
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@swift-ci please test |
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Can you add a test? |
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LGTM. This is blocking a bot. We can add tests later. |
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Excellent! |
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The COW existential implementation sets the existential box's
new value but fails to set the box's new type. Hijinks ensue
when the new value is later used as if it were of the old type.
rdar://31955457