SILGen: Fix keypath descriptor emission for class nested inside generic context [6.3] #85956
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…ic context hasGenericParamList() is the wrong thing to check -- we actually need to know if any parent context is generic, as well. - Fixes swiftlang#85860.
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hborla
approved these changes
Dec 10, 2025
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6.3 cherry-pick of #85955.
Description: Fixes a crash while emitting keypath descriptor when a non-generic class is nested inside a generic context, with a resilient base class.
Origination: Never worked.
Reviewed by: @jckarter
Risk: None.
Issue: Fixes IRGen crash: "resilient class metadata layout unsupported" when subclassing nested generic class #85860.