validation-test/compiler_crashers_2_fixed/0165-sr8240.swift

// RUN: %target-typecheck-verify-swift

struct Box<Representation> {
    let value: Representation
}
enum Repr {}
extension Repr {
    typealias RawEnum = ()
}
extension Box where Representation == Repr {
    init(rawEnumValue: Representation.RawEnum) {
        fatalError()
    }
}