// CHECK:
//   Mangled name: WithCompanion
//   Public signature: /WithCompanion|null[0]
open class WithCompanion {
  // CHECK:
  //   Mangled name: WithCompanion.Companion
  //   Public signature: /WithCompanion.Companion|null[0]
  companion object Companion {
    // CHECK:
    //   Mangled name: WithCompanion.Companion#<init>(){}
    //   Public signature: /WithCompanion.Companion.<init>|-5645683436151566731[0]
    //   Public signature debug description: <init>(){}
    private constructor() /* primary */

    // CHECK JVM_IR:
    //   Mangled name: WithCompanion.Companion#foo(){}WithCompanion.Companion
    //   Public signature: /WithCompanion.Companion.foo|3115869173477949534[0]
    //   Public signature debug description: foo(){}WithCompanion.Companion
    // CHECK JS_IR NATIVE:
    //   Mangled name: WithCompanion.Companion#foo(){}
    //   Public signature: /WithCompanion.Companion.foo|-1041209573719867811[0]
    //   Public signature debug description: foo(){}
    fun foo(): Companion

  }

  // CHECK:
  //   Mangled name: WithCompanion#<init>(WithCompanion.Companion){}
  //   Public signature: /WithCompanion.<init>|-2521748254232742494[0]
  //   Public signature debug description: <init>(WithCompanion.Companion){}
  constructor(a: Companion) /* primary */

}

// CHECK:
//   Mangled name: #test@WithCompanion(){}
//   Public signature: /test|4153745090133876513[0]
//   Public signature debug description: test@WithCompanion(){}
fun WithCompanion.test(): Unit