swift

c1d4589f - SIL: Fix type lowering of 'unowned T' where 'T' is a type parameter

SIL: Fix type lowering of 'unowned T' where 'T' is a type parameter The abstraction pattern's generic signature does not describe the substituted type, and it may not be present at all. Fixes https://github.com/swiftlang/swift/issues/79244.