Compiler crash when chaining two matches

[m50d]

Compiler version

3.3.5 and 3.3.6

Minimized code

object Example {
    val pf: PartialFunction[Unit, Unit] = s => (s match {
      case a => a
    }) match {
      case a => ()
    }
}

Output (click arrow to expand)

java.util.NoSuchElementException: key not found: method $anonfun while traversing x4
java.util.NoSuchElementException: key not found: method $anonfun while traversing case val a: scala.runtime.BoxedUnit = x4
java.util.NoSuchElementException: key not found: method $anonfun while traversing {
  case val x4: scala.runtime.BoxedUnit = x
  case val a: scala.runtime.BoxedUnit = x4
  return[matchResult2]
    {
      ()
    }
}
java.util.NoSuchElementException: key not found: method $anonfun while traversing matchResult2[Unit]: 
  {
    case val x4: scala.runtime.BoxedUnit = x
    case val a: scala.runtime.BoxedUnit = x4
    return[matchResult2]
      {
        ()
      }
  }
java.util.NoSuchElementException: key not found: method $anonfun while traversing {
  matchResult2[Unit]: 
    {
      case val x4: scala.runtime.BoxedUnit = x
      case val a: scala.runtime.BoxedUnit = x4
      return[matchResult2]
        {
          ()
        }
    }
  scala.runtime.BoxedUnit.UNIT
}
java.util.NoSuchElementException: key not found: method $anonfun while traversing case val x5: scala.runtime.BoxedUnit =
  {
    matchResult2[Unit]: 
      {
        case val x4: scala.runtime.BoxedUnit = x
        case val a: scala.runtime.BoxedUnit = x4
        return[matchResult2]
          {
            ()
          }
      }
    scala.runtime.BoxedUnit.UNIT
  }
java.util.NoSuchElementException: key not found: method $anonfun while traversing {
  case val x5: scala.runtime.BoxedUnit =
    {
      matchResult2[Unit]: 
        {
          case val x4: scala.runtime.BoxedUnit = x
          case val a: scala.runtime.BoxedUnit = x4
          return[matchResult2]
            {
              ()
            }
        }
      scala.runtime.BoxedUnit.UNIT
    }
  case val a: scala.runtime.BoxedUnit = x5
  return[matchResult3] true
}
java.util.NoSuchElementException: key not found: method $anonfun while traversing matchResult3[Boolean]: 
  {
    case val x5: scala.runtime.BoxedUnit =
      {
        matchResult2[Unit]: 
          {
            case val x4: scala.runtime.BoxedUnit = x
            case val a: scala.runtime.BoxedUnit = x4
            return[matchResult2]
              {
                ()
              }
          }
        scala.runtime.BoxedUnit.UNIT
      }
    case val a: scala.runtime.BoxedUnit = x5
    return[matchResult3] true
  }
java.util.NoSuchElementException: key not found: method $anonfun while traversing override final def isDefinedAt(x: scala.runtime.BoxedUnit): Boolean =
  matchResult3[Boolean]: 
    {
      case val x5: scala.runtime.BoxedUnit =
        {
          matchResult2[Unit]: 
            {
              case val x4: scala.runtime.BoxedUnit = x
              case val a: scala.runtime.BoxedUnit = x4
              return[matchResult2]
                {
                  ()
                }
            }
          scala.runtime.BoxedUnit.UNIT
        }
      case val a: scala.runtime.BoxedUnit = x5
      return[matchResult3] true
    }
java.util.NoSuchElementException: key not found: method $anonfun while traversing  extends scala.runtime.AbstractPartialFunction, java.io.Serializable {
  def <init>(): Unit =
    {
      super()
      ()
    }
  override final def isDefinedAt(x: scala.runtime.BoxedUnit): Boolean =
    matchResult3[Boolean]: 
      {
        case val x5: scala.runtime.BoxedUnit =
          {
            matchResult2[Unit]: 
              {
                case val x4: scala.runtime.BoxedUnit = x
                case val a: scala.runtime.BoxedUnit = x4
                return[matchResult2]
                  {
                    ()
                  }
              }
            scala.runtime.BoxedUnit.UNIT
          }
        case val a: scala.runtime.BoxedUnit = x5
        return[matchResult3] true
      }
  override final def applyOrElse(x: scala.runtime.BoxedUnit, default: Function1)
    : Object =
    {
      matchResult5[Unit]: 
        {
          case val x7: scala.runtime.BoxedUnit =
            {
              matchResult4[Unit]: 
                {
                  case val x6: scala.runtime.BoxedUnit = x
                  case val a: scala.runtime.BoxedUnit = x6
                  return[matchResult4]
                    {
                      ()
                    }
                }
              scala.runtime.BoxedUnit.UNIT
            }
          case val a: scala.runtime.BoxedUnit = x7
          return[matchResult5]
            {
              ()
            }
        }
      scala.runtime.BoxedUnit.UNIT
    }
  override final def isDefinedAt(x: Object): Boolean =
    this.isDefinedAt(x.asInstanceOf[scala.runtime.BoxedUnit])
  override final def applyOrElse(x: Object, default: Function1): Object =
    this.applyOrElse(x.asInstanceOf[scala.runtime.BoxedUnit], default)
}
java.util.NoSuchElementException: key not found: method $anonfun while traversing final class $anon extends scala.runtime.AbstractPartialFunction, 
  java.io.Serializable {
  def <init>(): Unit =
    {
      super()
      ()
    }
  override final def isDefinedAt(x: scala.runtime.BoxedUnit): Boolean =
    matchResult3[Boolean]: 
      {
        case val x5: scala.runtime.BoxedUnit =
          {
            matchResult2[Unit]: 
              {
                case val x4: scala.runtime.BoxedUnit = x
                case val a: scala.runtime.BoxedUnit = x4
                return[matchResult2]
                  {
                    ()
                  }
              }
            scala.runtime.BoxedUnit.UNIT
          }
        case val a: scala.runtime.BoxedUnit = x5
        return[matchResult3] true
      }
  override final def applyOrElse(x: scala.runtime.BoxedUnit, default: Function1)
    : Object =
    {
      matchResult5[Unit]: 
        {
          case val x7: scala.runtime.BoxedUnit =
            {
              matchResult4[Unit]: 
                {
                  case val x6: scala.runtime.BoxedUnit = x
                  case val a: scala.runtime.BoxedUnit = x6
                  return[matchResult4]
                    {
                      ()
                    }
                }
              scala.runtime.BoxedUnit.UNIT
            }
          case val a: scala.runtime.BoxedUnit = x7
          return[matchResult5]
            {
              ()
            }
        }
      scala.runtime.BoxedUnit.UNIT
    }
  override final def isDefinedAt(x: Object): Boolean =
    this.isDefinedAt(x.asInstanceOf[scala.runtime.BoxedUnit])
  override final def applyOrElse(x: Object, default: Function1): Object =
    this.applyOrElse(x.asInstanceOf[scala.runtime.BoxedUnit], default)
}
java.util.NoSuchElementException: key not found: method $anonfun while traversing {
  final class $anon extends scala.runtime.AbstractPartialFunction, 
    java.io.Serializable {
    def <init>(): Unit =
      {
        super()
        ()
      }
    override final def isDefinedAt(x: scala.runtime.BoxedUnit): Boolean =
      matchResult3[Boolean]: 
        {
          case val x5: scala.runtime.BoxedUnit =
            {
              matchResult2[Unit]: 
                {
                  case val x4: scala.runtime.BoxedUnit = x
                  case val a: scala.runtime.BoxedUnit = x4
                  return[matchResult2]
                    {
                      ()
                    }
                }
              scala.runtime.BoxedUnit.UNIT
            }
          case val a: scala.runtime.BoxedUnit = x5
          return[matchResult3] true
        }
    override final def applyOrElse(x: scala.runtime.BoxedUnit,
      default: Function1): Object =
      {
        matchResult5[Unit]: 
          {
            case val x7: scala.runtime.BoxedUnit =
              {
                matchResult4[Unit]: 
                  {
                    case val x6: scala.runtime.BoxedUnit = x
                    case val a: scala.runtime.BoxedUnit = x6
                    return[matchResult4]
                      {
                        ()
                      }
                  }
                scala.runtime.BoxedUnit.UNIT
              }
            case val a: scala.runtime.BoxedUnit = x7
            return[matchResult5]
              {
                ()
              }
          }
        scala.runtime.BoxedUnit.UNIT
      }
    override final def isDefinedAt(x: Object): Boolean =
      this.isDefinedAt(x.asInstanceOf[scala.runtime.BoxedUnit])
    override final def applyOrElse(x: Object, default: Function1): Object =
      this.applyOrElse(x.asInstanceOf[scala.runtime.BoxedUnit], default)
  }
  new scala.runtime.AbstractPartialFunction with java.io.Serializable {...}():
    scala.runtime.AbstractPartialFunction
}
java.util.NoSuchElementException: key not found: method $anonfun while traversing Playground.Example.pf =
  {
    final class $anon extends scala.runtime.AbstractPartialFunction, 
      java.io.Serializable {
      def <init>(): Unit =
        {
          super()
          ()
        }
      override final def isDefinedAt(x: scala.runtime.BoxedUnit): Boolean =
        matchResult3[Boolean]: 
          {
            case val x5: scala.runtime.BoxedUnit =
              {
                matchResult2[Unit]: 
                  {
                    case val x4: scala.runtime.BoxedUnit = x
                    case val a: scala.runtime.BoxedUnit = x4
                    return[matchResult2]
                      {
                        ()
                      }
                  }
                scala.runtime.BoxedUnit.UNIT
              }
            case val a: scala.runtime.BoxedUnit = x5
            return[matchResult3] true
          }
      override final def applyOrElse(x: scala.runtime.BoxedUnit,
        default: Function1): Object =
        {
          matchResult5[Unit]: 
            {
              case val x7: scala.runtime.BoxedUnit =
                {
                  matchResult4[Unit]: 
                    {
                      case val x6: scala.runtime.BoxedUnit = x
                      case val a: scala.runtime.BoxedUnit = x6
                      return[matchResult4]
                        {
                          ()
                        }
                    }
                  scala.runtime.BoxedUnit.UNIT
                }
              case val a: scala.runtime.BoxedUnit = x7
              return[matchResult5]
                {
                  ()
                }
            }
          scala.runtime.BoxedUnit.UNIT
        }
      override final def isDefinedAt(x: Object): Boolean =
        this.isDefinedAt(x.asInstanceOf[scala.runtime.BoxedUnit])
      override final def applyOrElse(x: Object, default: Function1): Object =
        this.applyOrElse(x.asInstanceOf[scala.runtime.BoxedUnit], default)
    }
    new scala.runtime.AbstractPartialFunction with java.io.Serializable {...}():
      scala.runtime.AbstractPartialFunction
  }
java.util.NoSuchElementException: key not found: method $anonfun while traversing {
  super()
  Playground.Example.pf =
    {
      final class $anon extends scala.runtime.AbstractPartialFunction, 
        java.io.Serializable {
        def <init>(): Unit =
          {
            super()
            ()
          }
        override final def isDefinedAt(x: scala.runtime.BoxedUnit): Boolean =
          matchResult3[Boolean]: 
            {
              case val x5: scala.runtime.BoxedUnit =
                {
                  matchResult2[Unit]: 
                    {
                      case val x4: scala.runtime.BoxedUnit = x
                      case val a: scala.runtime.BoxedUnit = x4
                      return[matchResult2]
                        {
                          ()
                        }
                    }
                  scala.runtime.BoxedUnit.UNIT
                }
              case val a: scala.runtime.BoxedUnit = x5
              return[matchResult3] true
            }
        override final def applyOrElse(x: scala.runtime.BoxedUnit,
          default: Function1): Object =
          {
            matchResult5[Unit]: 
              {
                case val x7: scala.runtime.BoxedUnit =
                  {
                    matchResult4[Unit]: 
                      {
                        case val x6: scala.runtime.BoxedUnit = x
                        case val a: scala.runtime.BoxedUnit = x6
                        return[matchResult4]
                          {
                            ()
                          }
                      }
                    scala.runtime.BoxedUnit.UNIT
                  }
                case val a: scala.runtime.BoxedUnit = x7
                return[matchResult5]
                  {
                    ()
                  }
              }
            scala.runtime.BoxedUnit.UNIT
          }
        override final def isDefinedAt(x: Object): Boolean =
          this.isDefinedAt(x.asInstanceOf[scala.runtime.BoxedUnit])
        override final def applyOrElse(x: Object, default: Function1): Object =
          this.applyOrElse(x.asInstanceOf[scala.runtime.BoxedUnit], default)
      }
      new scala.runtime.AbstractPartialFunction with java.io.Serializable {...}(
        ):scala.runtime.AbstractPartialFunction
    }
  ()
}
java.util.NoSuchElementException: key not found: method $anonfun while traversing def <init>(): Unit =
  {
    super()
    Playground.Example.pf =
      {
        final class $anon extends scala.runtime.AbstractPartialFunction, 
          java.io.Serializable {
          def <init>(): Unit =
            {
              super()
              ()
            }
          override final def isDefinedAt(x: scala.runtime.BoxedUnit): Boolean =
            matchResult3[Boolean]: 
              {
                case val x5: scala.runtime.BoxedUnit =
                  {
                    matchResult2[Unit]: 
                      {
                        case val x4: scala.runtime.BoxedUnit = x
                        case val a: scala.runtime.BoxedUnit = x4
                        return[matchResult2]
                          {
                            ()
                          }
                      }
                    scala.runtime.BoxedUnit.UNIT
                  }
                case val a: scala.runtime.BoxedUnit = x5
                return[matchResult3] true
              }
          override final def applyOrElse(x: scala.runtime.BoxedUnit,
            default: Function1): Object =
            {
              matchResult5[Unit]: 
                {
                  case val x7: scala.runtime.BoxedUnit =
                    {
                      matchResult4[Unit]: 
                        {
                          case val x6: scala.runtime.BoxedUnit = x
                          case val a: scala.runtime.BoxedUnit = x6
                          return[matchResult4]
                            {
                              ()
                            }
                        }
                      scala.runtime.BoxedUnit.UNIT
                    }
                  case val a: scala.runtime.BoxedUnit = x7
                  return[matchResult5]
                    {
                      ()
                    }
                }
              scala.runtime.BoxedUnit.UNIT
            }
          override final def isDefinedAt(x: Object): Boolean =
            this.isDefinedAt(x.asInstanceOf[scala.runtime.BoxedUnit])
          override final def applyOrElse(x: Object, default: Function1): Object
             =
            this.applyOrElse(x.asInstanceOf[scala.runtime.BoxedUnit], default)
        }
        new 
          scala.runtime.AbstractPartialFunction with java.io.Serializable {...}(
          ):scala.runtime.AbstractPartialFunction
      }
    ()
  }
java.util.NoSuchElementException: key not found: method $anonfun while traversing  extends Object {
  def <init>(): Unit =
    {
      super()
      Playground.Example.pf =
        {
          final class $anon extends scala.runtime.AbstractPartialFunction, 
            java.io.Serializable {
            def <init>(): Unit =
              {
                super()
                ()
              }
            override final def isDefinedAt(x: scala.runtime.BoxedUnit): Boolean
               =
              matchResult3[Boolean]: 
                {
                  case val x5: scala.runtime.BoxedUnit =
                    {
                      matchResult2[Unit]: 
                        {
                          case val x4: scala.runtime.BoxedUnit = x
                          case val a: scala.runtime.BoxedUnit = x4
                          return[matchResult2]
                            {
                              ()
                            }
                        }
                      scala.runtime.BoxedUnit.UNIT
                    }
                  case val a: scala.runtime.BoxedUnit = x5
                  return[matchResult3] true
                }
            override final def applyOrElse(x: scala.runtime.BoxedUnit,
              default: Function1): Object =
              {
                matchResult5[Unit]: 
                  {
                    case val x7: scala.runtime.BoxedUnit =
                      {
                        matchResult4[Unit]: 
                          {
                            case val x6: scala.runtime.BoxedUnit = x
                            case val a: scala.runtime.BoxedUnit = x6
                            return[matchResult4]
                              {
                                ()
                              }
                          }
                        scala.runtime.BoxedUnit.UNIT
                      }
                    case val a: scala.runtime.BoxedUnit = x7
                    return[matchResult5]
                      {
                        ()
                      }
                  }
                scala.runtime.BoxedUnit.UNIT
              }
            override final def isDefinedAt(x: Object): Boolean =
              this.isDefinedAt(x.asInstanceOf[scala.runtime.BoxedUnit])
            override final def applyOrElse(x: Object, default: Function1):
              Object =
              this.applyOrElse(x.asInstanceOf[scala.runtime.BoxedUnit], default)
            }
          new 
            scala.runtime.AbstractPartialFunction with java.io.Serializable
              {...}
          ():scala.runtime.AbstractPartialFunction
        }
      ()
    }
  private def writeReplace(): Object =
    new scala.runtime.ModuleSerializationProxy(classOf[Playground.Example])
  private val pf: PartialFunction
  def pf(): PartialFunction = Playground.Example.pf
}
java.util.NoSuchElementException: key not found: method $anonfun while traversing final module class Example extends Object {
  def <init>(): Unit =
    {
      super()
      Playground.Example.pf =
        {
          final class $anon extends scala.runtime.AbstractPartialFunction, 
            java.io.Serializable {
            def <init>(): Unit =
              {
                super()
                ()
              }
            override final def isDefinedAt(x: scala.runtime.BoxedUnit): Boolean
               =
              matchResult3[Boolean]: 
                {
                  case val x5: scala.runtime.BoxedUnit =
                    {
                      matchResult2[Unit]: 
                        {
                          case val x4: scala.runtime.BoxedUnit = x
                          case val a: scala.runtime.BoxedUnit = x4
                          return[matchResult2]
                            {
                              ()
                            }
                        }
                      scala.runtime.BoxedUnit.UNIT
                    }
                  case val a: scala.runtime.BoxedUnit = x5
                  return[matchResult3] true
                }
            override final def applyOrElse(x: scala.runtime.BoxedUnit,
              default: Function1): Object =
              {
                matchResult5[Unit]: 
                  {
                    case val x7: scala.runtime.BoxedUnit =
                      {
                        matchResult4[Unit]: 
                          {
                            case val x6: scala.runtime.BoxedUnit = x
                            case val a: scala.runtime.BoxedUnit = x6
                            return[matchResult4]
                              {
                                ()
                              }
                          }
                        scala.runtime.BoxedUnit.UNIT
                      }
                    case val a: scala.runtime.BoxedUnit = x7
                    return[matchResult5]
                      {
                        ()
                      }
                  }
                scala.runtime.BoxedUnit.UNIT
              }
            override final def isDefinedAt(x: Object): Boolean =
              this.isDefinedAt(x.asInstanceOf[scala.runtime.BoxedUnit])
            override final def applyOrElse(x: Object, default: Function1):
              Object =
              this.applyOrElse(x.asInstanceOf[scala.runtime.BoxedUnit], default)
            }
          new 
            scala.runtime.AbstractPartialFunction with java.io.Serializable
              {...}
          ():scala.runtime.AbstractPartialFunction
        }
      ()
    }
  private def writeReplace(): Object =
    new scala.runtime.ModuleSerializationProxy(classOf[Playground.Example])
  private val pf: PartialFunction
  def pf(): PartialFunction = Playground.Example.pf
}
java.util.NoSuchElementException: key not found: method $anonfun while traversing  extends Object, com.olegych.scastie.api.runtime.package.ScastieApp {
  def <init>(): Unit =
    {
      super()
      super[App].<init>()
      Playground.instrumentationMap =
        _root_.scala.collection.mutable.Map.empty().asInstanceOf[
          scala.collection.mutable.Map]
      scala.runtime.Statics.releaseFence()
      ()
    }
  private var executionStart: Long
  final def executionStart(): Long = Playground.executionStart
  private var scala$App$$_args: String[]
  def scala$App$$_args(): String[] = Playground.scala$App$$_args
  private var scala$App$$initCode: scala.collection.mutable.ListBuffer
  def scala$App$$initCode(): scala.collection.mutable.ListBuffer =
    Playground.scala$App$$initCode
  def scala$App$$_args_=(x$1: String[]): Unit =
    Playground.scala$App$$_args = x$1
  def scala$App$_setter_$executionStart_$eq(x$0: Long): Unit =
    Playground.executionStart = x$0
  def scala$App$_setter_$scala$App$$initCode_$eq(
    x$0: scala.collection.mutable.ListBuffer): Unit =
    Playground.scala$App$$initCode = x$0
  protected final def args(): String[] = super[App].args()
  @deprecated(message = "the delayedInit mechanism will disappear",
    since = "2.11.0") override def delayedInit(body: Function0): Unit =
    super[App].delayedInit(body)
  final def main(args: String[]): Unit = super[App].main(args)
  private def writeReplace(): Object =
    new scala.runtime.ModuleSerializationProxy(classOf[Playground])
  private val instrumentationMap: scala.collection.mutable.Map
  def instrumentations(): scala.collection.immutable.List =
    Playground.instrumentationMap.toList().map(
      {
        def $anonfun(x$1: Tuple2): com.olegych.scastie.api.Instrumentation =
          matchResult1[com.olegych.scastie.api.Instrumentation]: 
            {
              case val x1: Tuple2 = x$1
              if x1.ne(null) then
                {
                  case val pos: com.olegych.scastie.api.Position =
                    x1._1().asInstanceOf[com.olegych.scastie.api.Position]
                  case val r: com.olegych.scastie.api.Render =
                    x1._2().asInstanceOf[com.olegych.scastie.api.Render]
                  return[matchResult1]
                    {
                      _root_.com.olegych.scastie.api.Instrumentation.apply(pos,
                        r)
                    }
                }
               else ()
              throw new MatchError(x1)
            }
        closure($anonfun)
      }
    )
  final lazy module val Example: Playground.Example = new Playground.Example()
  final module class Example extends Object {
    def <init>(): Unit =
      {
        super()
        Playground.Example.pf =
          {
            final class $anon extends scala.runtime.AbstractPartialFunction, 
              java.io.Serializable {
              def <init>(): Unit =
                {
                  super()
                  ()
                }
              override final def isDefinedAt(x: scala.runtime.BoxedUnit):
                Boolean =
                matchResult3[Boolean]: 
                  {
                    case val x5: scala.runtime.BoxedUnit =
                      {
                        matchResult2[Unit]: 
                          {
                            case val x4: scala.runtime.BoxedUnit = x
                            case val a: scala.runtime.BoxedUnit = x4
                            return[matchResult2]
                              {
                                ()
                              }
                          }
                        scala.runtime.BoxedUnit.UNIT
                      }
                    case val a: scala.runtime.BoxedUnit = x5
                    return[matchResult3] true
                  }
              override final def applyOrElse(x: scala.runtime.BoxedUnit,
                default: Function1): Object =
                {
                  matchResult5[Unit]: 
                    {
                      case val x7: scala.runtime.BoxedUnit =
                        {
                          matchResult4[Unit]: 
                            {
                              case val x6: scala.runtime.BoxedUnit = x
                              case val a: scala.runtime.BoxedUnit = x6
                              return[matchResult4]
                                {
                                  ()
                                }
                            }
                          scala.runtime.BoxedUnit.UNIT
                        }
                      case val a: scala.runtime.BoxedUnit = x7
                      return[matchResult5]
                        {
                          ()
                        }
                    }
                  scala.runtime.BoxedUnit.UNIT
                }
              override final def isDefinedAt(x: Object): Boolean =
                this.isDefinedAt(x.asInstanceOf[scala.runtime.BoxedUnit])
              override final def applyOrElse(x: Object, default: Function1):
                Object =
                this.applyOrElse(x.asInstanceOf[scala.runtime.BoxedUnit],
                  default)
            }
            new 
              scala.runtime.AbstractPartialFunction with java.io.Serializable
                {...}
            ():scala.runtime.AbstractPartialFunction
          }
        ()
      }
    private def writeReplace(): Object =
      new scala.runtime.ModuleSerializationProxy(classOf[Playground.Example])
    private val pf: PartialFunction
    def pf(): PartialFunction = Playground.Example.pf
  }
}
java.util.NoSuchElementException: key not found: method $anonfun while traversing @SourceFile("src/main/scala/main.scala") final module class Playground extends
  Object, com.olegych.scastie.api.runtime.package.ScastieApp {
  def <init>(): Unit =
    {
      super()
      super[App].<init>()
      Playground.instrumentationMap =
        _root_.scala.collection.mutable.Map.empty().asInstanceOf[
          scala.collection.mutable.Map]
      scala.runtime.Statics.releaseFence()
      ()
    }
  private var executionStart: Long
  final def executionStart(): Long = Playground.executionStart
  private var scala$App$$_args: String[]
  def scala$App$$_args(): String[] = Playground.scala$App$$_args
  private var scala$App$$initCode: scala.collection.mutable.ListBuffer
  def scala$App$$initCode(): scala.collection.mutable.ListBuffer =
    Playground.scala$App$$initCode
  def scala$App$$_args_=(x$1: String[]): Unit =
    Playground.scala$App$$_args = x$1
  def scala$App$_setter_$executionStart_$eq(x$0: Long): Unit =
    Playground.executionStart = x$0
  def scala$App$_setter_$scala$App$$initCode_$eq(
    x$0: scala.collection.mutable.ListBuffer): Unit =
    Playground.scala$App$$initCode = x$0
  protected final def args(): String[] = super[App].args()
  @deprecated(message = "the delayedInit mechanism will disappear",
    since = "2.11.0") override def delayedInit(body: Function0): Unit =
    super[App].delayedInit(body)
  final def main(args: String[]): Unit = super[App].main(args)
  private def writeReplace(): Object =
    new scala.runtime.ModuleSerializationProxy(classOf[Playground])
  private val instrumentationMap: scala.collection.mutable.Map
  def instrumentations(): scala.collection.immutable.List =
    Playground.instrumentationMap.toList().map(
      {
        def $anonfun(x$1: Tuple2): com.olegych.scastie.api.Instrumentation =
          matchResult1[com.olegych.scastie.api.Instrumentation]: 
            {
              case val x1: Tuple2 = x$1
              if x1.ne(null) then
                {
                  case val pos: com.olegych.scastie.api.Position =
                    x1._1().asInstanceOf[com.olegych.scastie.api.Position]
                  case val r: com.olegych.scastie.api.Render =
                    x1._2().asInstanceOf[com.olegych.scastie.api.Render]
                  return[matchResult1]
                    {
                      _root_.com.olegych.scastie.api.Instrumentation.apply(pos,
                        r)
                    }
                }
               else ()
              throw new MatchError(x1)
            }
        closure($anonfun)
      }
    )
  final lazy module val Example: Playground.Example = new Playground.Example()
  final module class Example extends Object {
    def <init>(): Unit =
      {
        super()
        Playground.Example.pf =
          {
            final class $anon extends scala.runtime.AbstractPartialFunction, 
              java.io.Serializable {
              def <init>(): Unit =
                {
                  super()
                  ()
                }
              override final def isDefinedAt(x: scala.runtime.BoxedUnit):
                Boolean =
                matchResult3[Boolean]: 
                  {
                    case val x5: scala.runtime.BoxedUnit =
                      {
                        matchResult2[Unit]: 
                          {
                            case val x4: scala.runtime.BoxedUnit = x
                            case val a: scala.runtime.BoxedUnit = x4
                            return[matchResult2]
                              {
                                ()
                              }
                          }
                        scala.runtime.BoxedUnit.UNIT
                      }
                    case val a: scala.runtime.BoxedUnit = x5
                    return[matchResult3] true
                  }
              override final def applyOrElse(x: scala.runtime.BoxedUnit,
                default: Function1): Object =
                {
                  matchResult5[Unit]: 
                    {
                      case val x7: scala.runtime.BoxedUnit =
                        {
                          matchResult4[Unit]: 
                            {
                              case val x6: scala.runtime.BoxedUnit = x
                              case val a: scala.runtime.BoxedUnit = x6
                              return[matchResult4]
                                {
                                  ()
                                }
                            }
                          scala.runtime.BoxedUnit.UNIT
                        }
                      case val a: scala.runtime.BoxedUnit = x7
                      return[matchResult5]
                        {
                          ()
                        }
                    }
                  scala.runtime.BoxedUnit.UNIT
                }
              override final def isDefinedAt(x: Object): Boolean =
                this.isDefinedAt(x.asInstanceOf[scala.runtime.BoxedUnit])
              override final def applyOrElse(x: Object, default: Function1):
                Object =
                this.applyOrElse(x.asInstanceOf[scala.runtime.BoxedUnit],
                  default)
            }
            new 
              scala.runtime.AbstractPartialFunction with java.io.Serializable
                {...}
            ():scala.runtime.AbstractPartialFunction
          }
        ()
      }
    private def writeReplace(): Object =
      new scala.runtime.ModuleSerializationProxy(classOf[Playground.Example])
    private val pf: PartialFunction
    def pf(): PartialFunction = Playground.Example.pf
  }
}
java.util.NoSuchElementException: key not found: method $anonfun while traversing package <empty> {
  final lazy module val Playground: Playground = new Playground()
  @SourceFile("src/main/scala/main.scala") final module class Playground extends
     Object, com.olegych.scastie.api.runtime.package.ScastieApp {
    def <init>(): Unit =
      {
        super()
        super[App].<init>()
        Playground.instrumentationMap =
          _root_.scala.collection.mutable.Map.empty().asInstanceOf[
            scala.collection.mutable.Map]
        scala.runtime.Statics.releaseFence()
        ()
      }
    private var executionStart: Long
    final def executionStart(): Long = Playground.executionStart
    private var scala$App$$_args: String[]
    def scala$App$$_args(): String[] = Playground.scala$App$$_args
    private var scala$App$$initCode: scala.collection.mutable.ListBuffer
    def scala$App$$initCode(): scala.collection.mutable.ListBuffer =
      Playground.scala$App$$initCode
    def scala$App$$_args_=(x$1: String[]): Unit =
      Playground.scala$App$$_args = x$1
    def scala$App$_setter_$executionStart_$eq(x$0: Long): Unit =
      Playground.executionStart = x$0
    def scala$App$_setter_$scala$App$$initCode_$eq(
      x$0: scala.collection.mutable.ListBuffer): Unit =
      Playground.scala$App$$initCode = x$0
    protected final def args(): String[] = super[App].args()
    @deprecated(message = "the delayedInit mechanism will disappear",
      since = "2.11.0") override def delayedInit(body: Function0): Unit =
      super[App].delayedInit(body)
    final def main(args: String[]): Unit = super[App].main(args)
    private def writeReplace(): Object =
      new scala.runtime.ModuleSerializationProxy(classOf[Playground])
    private val instrumentationMap: scala.collection.mutable.Map
    def instrumentations(): scala.collection.immutable.List =
      Playground.instrumentationMap.toList().map(
        {
          def $anonfun(x$1: Tuple2): com.olegych.scastie.api.Instrumentation =
            matchResult1[com.olegych.scastie.api.Instrumentation]: 
              {
                case val x1: Tuple2 = x$1
                if x1.ne(null) then
                  {
                    case val pos: com.olegych.scastie.api.Position =
                      x1._1().asInstanceOf[com.olegych.scastie.api.Position]
                    case val r: com.olegych.scastie.api.Render =
                      x1._2().asInstanceOf[com.olegych.scastie.api.Render]
                    return[matchResult1]
                      {
                        _root_.com.olegych.scastie.api.Instrumentation.apply(
                          pos, r)
                      }
                  }
                 else ()
                throw new MatchError(x1)
              }
          closure($anonfun)
        }
      )
    final lazy module val Example: Playground.Example = new Playground.Example()
    final module class Example extends Object {
      def <init>(): Unit =
        {
          super()
          Playground.Example.pf =
            {
              final class $anon extends scala.runtime.AbstractPartialFunction, 
                java.io.Serializable {
                def <init>(): Unit =
                  {
                    super()
                    ()
                  }
                override final def isDefinedAt(x: scala.runtime.BoxedUnit):
                  Boolean =
                  matchResult3[Boolean]: 
                    {
                      case val x5: scala.runtime.BoxedUnit =
                        {
                          matchResult2[Unit]: 
                            {
                              case val x4: scala.runtime.BoxedUnit = x
                              case val a: scala.runtime.BoxedUnit = x4
                              return[matchResult2]
                                {
                                  ()
                                }
                            }
                          scala.runtime.BoxedUnit.UNIT
                        }
                      case val a: scala.runtime.BoxedUnit = x5
                      return[matchResult3] true
                    }
                override final def applyOrElse(x: scala.runtime.BoxedUnit,
                  default: Function1): Object =
                  {
                    matchResult5[Unit]: 
                      {
                        case val x7: scala.runtime.BoxedUnit =
                          {
                            matchResult4[Unit]: 
                              {
                                case val x6: scala.runtime.BoxedUnit = x
                                case val a: scala.runtime.BoxedUnit = x6
                                return[matchResult4]
                                  {
                                    ()
                                  }
                              }
                            scala.runtime.BoxedUnit.UNIT
                          }
                        case val a: scala.runtime.BoxedUnit = x7
                        return[matchResult5]
                          {
                            ()
                          }
                      }
                    scala.runtime.BoxedUnit.UNIT
                  }
                override final def isDefinedAt(x: Object): Boolean =
                  this.isDefinedAt(x.asInstanceOf[scala.runtime.BoxedUnit])
                override final def applyOrElse(x: Object, default: Function1):
                  Object =
                  this.applyOrElse(x.asInstanceOf[scala.runtime.BoxedUnit],
                    default)
              }
              new 
                scala.runtime.AbstractPartialFunction with java.io.Serializable
                  {...}
              ():scala.runtime.AbstractPartialFunction
            }
          ()
        }
      private def writeReplace(): Object =
        new scala.runtime.ModuleSerializationProxy(classOf[Playground.Example])
      private val pf: PartialFunction
      def pf(): PartialFunction = Playground.Example.pf
    }
  }
  final lazy module val Main: Main = new Main()
  @SourceFile("src/main/scala/main.scala") final module class Main extends 
    Object {
    def <init>(): Unit =
      {
        super()
        Main.playground = Playground
        ()
      }
    private def writeReplace(): Object =
      new scala.runtime.ModuleSerializationProxy(classOf[Main])
    def suppressUnusedWarnsScastie(): com.olegych.scastie.api.Html =
      com.olegych.scastie.api.runtime.Html()
    private val playground: Playground
    def playground(): Playground = Main.playground
    def main(args: String[]): Unit =
      {
        Main.playground().main([ : String].asInstanceOf[String[]])
        scala.Predef.println(
          "\n".+(
            _root_.com.olegych.scastie.api.runtime.Runtime.write(
              Main.playground().instrumentations())
          )
        )
      }
  }
}

  unhandled exception while running MegaPhase{lambdaLift, elimStaticThis, countOuterAccesses} on /tmp/scastie16092225585572490684/src/main/scala/main.scala

  An unhandled exception was thrown in the compiler.
  Please file a crash report here:
  https://github.com/lampepfl/dotty/issues/new/choose
  For non-enriched exceptions, compile with -Yno-enrich-error-messages.

     while compiling: /tmp/scastie16092225585572490684/src/main/scala/main.scala
        during phase: MegaPhase{lambdaLift, elimStaticThis, countOuterAccesses}
                mode: Mode(ImplicitsEnabled)
     library version: version 2.13.15
    compiler version: version 3.3.5
            settings: -classpath /tmp/scastie16092225585572490684/target/scala-3.3.5/classes:/home/sbtRunnerContainer/.cache/coursier/v1/https/repo1.maven.org/maven2/org/scala-lang/scala3-library_3/3.3.5/scala3-library_3-3.3.5.jar:/home/sbtRunnerContainer/.ivy2/local/org.scastie/runtime-scala_3/1.0.0-SNAPSHOT/jars/runtime-scala_3.jar:/home/sbtRunnerContainer/.cache/coursier/v1/https/repo1.maven.org/maven2/org/scala-lang/scala-library/2.13.15/scala-library-2.13.15.jar:/home/sbtRunnerContainer/.ivy2/local/org.scastie/api_3/0.30.0-SNAPSHOT/jars/api_3.jar:/home/sbtRunnerContainer/.cache/coursier/v1/https/repo1.maven.org/maven2/com/typesafe/play/play-json_3/2.10.0-RC5/play-json_3-2.10.0-RC5.jar:/home/sbtRunnerContainer/.cache/coursier/v1/https/repo1.maven.org/maven2/com/typesafe/play/play-functional_3/2.10.0-RC5/play-functional_3-2.10.0-RC5.jar:/home/sbtRunnerContainer/.cache/coursier/v1/https/repo1.maven.org/maven2/com/fasterxml/jackson/core/jackson-core/2.11.4/jackson-core-2.11.4.jar:/home/sbtRunnerContainer/.cache/coursier/v1/https/repo1.maven.org/maven2/com/fasterxml/jackson/core/jackson-annotations/2.11.4/jackson-annotations-2.11.4.jar:/home/sbtRunnerContainer/.cache/coursier/v1/https/repo1.maven.org/maven2/com/fasterxml/jackson/datatype/jackson-datatype-jdk8/2.11.4/jackson-datatype-jdk8-2.11.4.jar:/home/sbtRunnerContainer/.cache/coursier/v1/https/repo1.maven.org/maven2/com/fasterxml/jackson/datatype/jackson-datatype-jsr310/2.11.4/jackson-datatype-jsr310-2.11.4.jar:/home/sbtRunnerContainer/.cache/coursier/v1/https/repo1.maven.org/maven2/com/fasterxml/jackson/core/jackson-databind/2.11.4/jackson-databind-2.11.4.jar -d /tmp/scastie16092225585572490684/target/scala-3.3.5/classes -deprecation true -feature true