| // RUN: %target-swift-frontend %s -emit-ir |
| |
| // SR-9954 / rdar://problem/48223824 |
| // Rejects well-formed that triggered a fallback diagnostic due to a bad |
| // substitution. |
| struct GenericThing <Param1, Param2> { |
| init (closure: (String)->()) { |
| |
| } |
| } |
| |
| struct ThingHolder <Param1> { |
| func acceptThing <Param2> (thingGenerator: ()->GenericThing<Param1, Param2>) { |
| |
| } |
| } |
| |
| struct A { } |
| |
| func demo <Param1> (thingHolder: ThingHolder<Param1>) { |
| typealias Thing <Param2> = GenericThing<Param1, Param2> |
| thingHolder.acceptThing { |
| Thing<A> { string in |
| |
| } |
| } |
| } |
| |
