// RUN: %target-swift-frontend -typecheck %s -verify // https://github.com/apple/swift/issues/55309 enum E { case bar } @dynamicMemberLookup struct S { subscript(dynamicMember key: KeyPath) -> Bool { true } } let s = S() let e = s.bar // expected-error {{dynamic key path member lookup cannot refer to enum case 'bar'}}