[Sema] Crash fix for key path for an optional chain to optional lvalue. #12452
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…rap for an optional chain to optional lvalue.
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@swift-ci Please smoke test |
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Thanks! This shouldn't really be possible, though, since the optional chain is supposed to force the rest of the following keypath to be read-only. |
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Incorrect condition here resulted in incorrectly trying to optional-wrap for an optional chain to optional lvalue.
Resolves SR-6106 | rdar://problem/34911379.