[6.2.1] Optimizer: fix handling of dependent existential archetypes in alloc_stack and apply simplification
#83965
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…_stack` and `apply` simplification When replacing an opened existential type with the concrete type, we didn't consider that the existential archetype can also be a "dependent" type of the root archetype. For now, just bail in this case. In future we can support dependent archetypes as well. Fixes a compiler crash. rdar://158594365
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@swift-ci test |
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@swift-ci test macos |
tbkka
approved these changes
Sep 4, 2025
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alloc_stackandapplysimplification #83898alloc_stackandapplysimplification #83946