// CHECK:
//   Mangled name: #test1(kotlin.Boolean?){}
//   Public signature: /test1|-614655814357645647[0]
//   Public signature debug description: test1(kotlin.Boolean?){}
fun test1(c: Boolean?): Unit

// CHECK:
//   Mangled name: #test2(kotlin.Boolean?){}
//   Public signature: /test2|433529625541321478[0]
//   Public signature debug description: test2(kotlin.Boolean?){}
fun test2(c: Boolean?): Unit

// CHECK:
//   Mangled name: #test3(kotlin.collections.List<kotlin.String>?){}
//   Public signature: /test3|7517805814041019716[0]
//   Public signature debug description: test3(kotlin.collections.List<kotlin.String>?){}
fun test3(ss: List<String>?): Unit

// CHECK:
//   Mangled name: #test4(kotlin.collections.List<kotlin.String>?){}
//   Public signature: /test4|1371726193385654339[0]
//   Public signature debug description: test4(kotlin.collections.List<kotlin.String>?){}
fun test4(ss: List<String>?): Unit

// CHECK:
//   Mangled name: #test5(){}
//   Public signature: /test5|-2461239215881954159[0]
//   Public signature debug description: test5(){}
fun test5(): Unit