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Typechecking partial functions is not idempotent #6187

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scabug opened this issue Aug 4, 2012 · 18 comments
Closed

Typechecking partial functions is not idempotent #6187

scabug opened this issue Aug 4, 2012 · 18 comments
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@retronym
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has PR macros
Milestone
2.10.1

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@scabug
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@scabug scabug commented Aug 4, 2012

The following macro definition and usage shows a problematic interaction between resetLocalAttrs and partial functions.

Usage:

def m[T](t: T): List[List[T]] =
  demo( List((t,true)) collect { case (x,true) => x } )

Definition:

def demo[T](t: T): List[T] = macro macroImpl[T]

def macroImpl[T: c.AbsTypeTag](c: Context)(t: c.Expr[T]): c.Expr[List[T]] =
{
  val r = c.universe.reify { List(t.splice) }
  c.Expr[List[T]]( c.resetLocalAttrs(r.tree) )
}

The error is:

class Any is abstract; cannot be instantiated
     demo( List((t,true)) collect { case (x,true) => x })
                                  ^

The tree before and after calling resetLocalAttrs:

Before:

 immutable.this.List.apply(immutable.this.List.apply[(T, Boolean)](scala.Tuple2.apply[T, Boolean](t, true)).collect[T, List[T]]({
  @SerialVersionUID(0) final <synthetic> class $anonfun extends scala.runtime.AbstractPartialFunction[(T, Boolean),T] with Serializable {
    def <init>(): anonymous class $anonfun = {
      $anonfun.super.<init>();
      ()
    };
    final override def applyOrElse[A1 >: Nothing <: (T, Boolean), B1 >: T <: Any](x$1: A1, default: A1 => B1): B1 = (x$1: A1 @unchecked) match {
      case (_1: T, _2: Boolean)(T, Boolean)((x @ _), true) => x
    };
    final def isDefinedAt(x$1: (T, Boolean)): Boolean = (x$1: (T, Boolean) @unchecked) match {
      case (_1: T, _2: Boolean)(T, Boolean)((x @ _), true) => true
    }
  };
  new anonymous class $anonfun()
})(immutable.this.List.canBuildFrom[T]))

After:

 immutable.this.List.apply(immutable.this.List.apply[(T, Boolean)](scala.Tuple2.apply[T, Boolean](t, true)).collect[T, List[T]]({
  final <synthetic> class $anonfun extends scala.runtime.AbstractPartialFunction[(T, Boolean),T] with Serializable {
    def <init>() = {
      super.<init>();
      ()
    };
    final override def applyOrElse[A1 <: (T, Boolean), B1 >: T](x$1, default) = (x$1: <type ?>) match {
      case (_1: T, _2: Boolean)(T, Boolean)((x @ _), true) => x
    };
    final def isDefinedAt(x$1: (T, Boolean)): Boolean = (x$1: (T, Boolean) @unchecked) match {
      case (_1: T, _2: Boolean)(T, Boolean)((x @ _), true) => true
    }
  };
  new <type ?>()
})(immutable.this.List.canBuildFrom[T]))
@scabug
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@scabug scabug commented Aug 4, 2012

Imported From: https://issues.scala-lang.org/browse/SI-6187?orig=1
Reporter: @harrah
Affected Versions: 2.10.0-M6
Blocks #5464

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@scabug
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@scabug scabug commented Aug 4, 2012

@xeno-by said:
Looks like another instance of #5465

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@scabug
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@scabug scabug commented Aug 4, 2012

@harrah said:
Sorry about that. I must not have spelled resetAllAttrs right when I searched the first time. From your comments elsewhere, it sounds like the work around is to explicitly set the type on everything.

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@scabug
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@scabug scabug commented Aug 4, 2012

@harrah said:
Duplicate of #5465

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@scabug
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@scabug scabug commented Aug 4, 2012

@xeno-by said:
Hmm actually I've been misled by all those extractors in the printout. The problem here is that TypeTree for new anonymous class $anonfun() gets wrongly erased, which prevents it from being typechecked again. Hence that's a genuine bug.

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@scabug
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@scabug scabug commented Nov 9, 2012

@xeno-by said:
This bug is being fixed

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@scabug scabug commented Dec 1, 2012

@retronym said:
Tools in our box:

  • refine the attribute resetting
  • change synthesis of {{AbstractPartialFunction}} to be retypable. {{TypeTree}}s that just refer to a type but don't have an original type tree are at the root of the problem. Is there any way we use {{reify}} to synthesize an original type tree that rebind to some local type on retypechecking?
  • sidestep the problem where we can, by pushing the synthesis of the {{AbstractPartialFunction}}-s back a phase. (super hacky attempt: retronym/scala@2.10.x...retronym:ticket/6187-wip)

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@scabug
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@scabug scabug commented Dec 1, 2012

@retronym said:
Oh, and we really have to review:

{code:title=src/compiler/scala/reflect/reify/Reifier.scala}
var importantSymbols = Set[Symbol](
NothingClass, AnyClass, SingletonClass, PredefModule, ScalaRunTimeModule, TypeCreatorClass, TreeCreatorClass, MirrorClass,
ApiUniverseClass, JavaUniverseClass, ReflectRuntimePackage, ReflectRuntimeCurrentMirror)
importantSymbols ++= importantSymbols map (.companionSymbol)
importantSymbols ++= importantSymbols map (.moduleClass)
importantSymbols ++= importantSymbols map (.linkedClassOfClass)
def isImportantSymbol(sym: Symbol): Boolean = sym != null && sym != NoSymbol && importantSymbols(sym)
val untyped = resetAllAttrs(result, leaveAlone = {
case ValDef(, u, _, ) if u == nme.UNIVERSE_SHORT => true
case ValDef(, m, _, _) if m == nme.MIRROR_SHORT => true
case tree if symtab.syms contains tree.symbol => true
case tree if isImportantSymbol(tree.symbol) => true
case _ => false
})
{code}

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@scabug
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@scabug scabug commented Dec 1, 2012

@xeno-by said:
I'd say we change synthesis of anonymous classes for partial functions, e.g. by using New(Ident(...)) instead of New(tpe) here: https://github.com/scalamacros/kepler/blob/2a8291a3568abc848e79acaacd82e90932a77c8a/src/compiler/scala/tools/nsc/typechecker/Typers.scala#L2606

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@scabug scabug commented Dec 1, 2012

@xeno-by said:
I tried this strategy out in scalamacros/kepler@6858d9a, and now we get a crash in lambdalift:

19:52 ~/Projects/Kepler_6187/sandbox (ticket/6187)$ scalac -Xprint:typer -uniqid Test.scala 
[[syntax trees at end of                     typer]] // Test.scala
package <empty>#4 {
  object Test#6954 extends Object#1728 with App#35 {
    def <init>#7036(): Test#6955.type = {
      Test#6955.super.<init>#4684();
      ()
    };
    def m#7037[T#7038 >: Nothing#3312 <: Any#3311](t#11882: T#7039): List#2441[List#2441[T#7038]] = immutable#4655.this.List#10904.apply#11945[List#2441[T#7039]](immutable#4655.this.List#10904.apply#11945[(T#7039, Boolean#137)](scala#20.Tuple2#1515.apply#12675[T#7039, Boolean#137](t#11882, true)).collect#12791[T#7039, List#2441[T#7039]](({
      final <synthetic> class $anonfun#22112 extends scala#21.runtime#1626.AbstractPartialFunction#2953[(T#7039, Boolean#137),T#7039] with Serializable#1295 {
        def <init>#22113(): anonymous class $anonfun#22112 = {
          $anonfun#22112.super.<init>#15864();
          ()
        };
        final override def applyOrElse#22114[A1#22115 >: Nothing#3312 <: (T#7039, Boolean#137), B1#22116 >: T#7039 <: Any#3311](x$1#22124: A1#22115, default#22125: A1#22115 => B1#22116): B1#22116 = (x$1#22124: Any#3311) match {
          case (_1#15877: T#7039, _2#15878: Boolean#137)(T#7039, Boolean#137)((x#22136 @ _), true) => x#22136
        };
        final def isDefinedAt#22119(x$1#22139: (T#7039, Boolean#137)): Boolean#137 = (x$1#22139: (T#7039, Boolean#137) @unchecked#1577) match {
          case (_1#15884: T#7039, _2#15885: Boolean#137)(T#7039, Boolean#137)((x#22148 @ _), true) => true
        }
      };
      new $anonfun#22112()
    }: PartialFunction#1007[(T#7039, Boolean#137),T#7039]))(immutable#4655.this.List#10904.canBuildFrom#11939[T#7039]))
  }
}


     while compiling: Test.scala
        during phase: global=lambdalift, atPhase=constructors
     library version: version 2.10.1-20121125-133849-2a8291a356
    compiler version: version 2.10.1-20121125-133849-2a8291a356
  reconstructed args: -uniqid -Xprint:typer

  last tree to typer: TypeTree(class Array#131)
              symbol: class Array#131 in package scala#21 (flags: final)
   symbol definition: final class Array#131[T#11679 >: ? <: ?] extends Object#1728
                 tpe: Array#131[Object#1728]
       symbol owners: class Array#131 -> package scala#21
      context owners: value x4#22481 -> method applyOrElse#22114 -> anonymous class $anonfun$m$1#22112 -> method m#7037 -> object Test#6955 -> package <empty>#3

== Enclosing template or block ==

DefDef( // final override def applyOrElse#22114(x$1#32175: Tuple2#1514,default#32176: Function1#416): Object#1728
  <method> final override <triedcooking>
  "applyOrElse"
  []
  // 1 parameter list
  ValDef( // x$1#22124: Tuple2#1514
    <param> <synthetic> <triedcooking>
    "x$1"
    <tpt> // tree.tpe=Tuple2#1514
    <empty>
  )
  ValDef( // default#22125: Function1#416
    <param> <synthetic>
    "default"
    <tpt> // tree.tpe=Function1#416
    <empty>
  )
  <tpt> // tree.tpe=Object#1728
  Block( // tree.tpe=Object#1728
    // 3 statements
    ValDef( // case val x1#22476: Object#1728
      case <synthetic> <triedcooking>
      "x1"
      <tpt> // tree.tpe=Object#1728
      Typed( // tree.tpe=Object#1728
        "x$1" // x$1#22124: Tuple2#1514, tree.tpe=Tuple2#1514
        <tpt> // tree.tpe=Object#1728
      )
    )
    LabelDef( // case def case7#22485(): Object#1728, tree.tpe=Object#1728
      ()
      If( // tree.tpe=Object#1728
        Apply( // final def $isInstanceOf#4720[T0#4721 >: ? <: ?](): Boolean#137 in class Object#1728, tree.tpe=Boolean#137
          TypeApply( // final def $isInstanceOf#4720[T0#4721 >: ? <: ?](): Boolean#137 in class Object#1728, tree.tpe=()Boolean#137
            "x1"."$isInstanceOf" // final def $isInstanceOf#4720[T0#4721 >: ? <: ?](): Boolean#137 in class Object#1728, tree.tpe=[T0#4721 >: ? <: ?]()Boolean#137
            <tpt> // tree.tpe=Tuple2#1514
          )
          Nil
        )
        Block( // tree.tpe=Object#1728
          ValDef( // val x3#22478: Tuple2#1514
            <synthetic> <triedcooking>
            "x3"
            <tpt> // tree.tpe=Tuple2#1514
            Typed( // tree.tpe=Tuple2#1514
              Apply( // final def $asInstanceOf#4722[T0#4723 >: ? <: ?](): T0#4723 in class Object#1728, tree.tpe=Tuple2#1514
                TypeApply( // final def $asInstanceOf#4722[T0#4723 >: ? <: ?](): T0#4723 in class Object#1728, tree.tpe=()Tuple2#1514
                  "x1"."$asInstanceOf" // final def $asInstanceOf#4722[T0#4723 >: ? <: ?](): T0#4723 in class Object#1728, tree.tpe=[T0#4723 >: ? <: ?]()T0#4723
                  <tpt> // tree.tpe=Tuple2#1514
                )
                Nil
              )
              <tpt> // tree.tpe=Tuple2#1514
            )
          )
          If( // tree.tpe=Object#1728
            Apply( // final def ne#4710(x$1#34965: Object#1728): Boolean#137 in class Object#1728, tree.tpe=Boolean#137
              "x3"."ne" // final def ne#4710(x$1#34965: Object#1728): Boolean#137 in class Object#1728, tree.tpe=(x$1#34965: Object#1728)Boolean#137
              null
            )
            Block( // tree.tpe=Object#1728
              // 2 statements
              ValDef( // val x#22136: Object#1728
                <triedcooking>
                "x"
                <tpt> // tree.tpe=Object#1728
                Apply( // val _1#12646(): Object#1728 in class Tuple2#1514, tree.tpe=Object#1728
                  "x3"."_1" // val _1#12646(): Object#1728 in class Tuple2#1514, tree.tpe=()Object#1728
                  Nil
                )
              )
              ValDef( // val p2#22477: Boolean#137
                <synthetic> <triedcooking>
                "p2"
                <tpt> // tree.tpe=Boolean#137
                Apply( // val _2$mcZ$sp#26445(): Boolean#137 in class Tuple2#1514, tree.tpe=Boolean#137
                  "x3"."_2$mcZ$sp" // val _2$mcZ$sp#26445(): Boolean#137 in class Tuple2#1514, tree.tpe=()Boolean#137
                  Nil
                )
              )
              If( // tree.tpe=Object#1728
                Apply( // def ==#12691(x#34966: Boolean#137): Boolean#137 in class Boolean#137, tree.tpe=Boolean#137
                  true."$eq$eq" // def ==#12691(x#34966: Boolean#137): Boolean#137 in class Boolean#137, tree.tpe=(x#34966: Boolean#137)Boolean#137
                  "p2" // val p2#22477: Boolean#137, tree.tpe=Boolean#137
                )
                Block( // tree.tpe=Object#1728
                  ValDef( // val x4#22481: Boolean#137
                    <synthetic>
                    "x4"
                    <tpt> // tree.tpe=Boolean#137
                    "p2" // val p2#22477: Boolean#137, tree.tpe=Boolean#137
                  )
                  Apply( // case def matchEnd6#22483(x#34967: Object#1728): Object#1728, tree.tpe=Object#1728
                    "matchEnd6" // case def matchEnd6#22483(x#34967: Object#1728): Object#1728, tree.tpe=(x#34967: Object#1728)Object#1728
                    "x" // val x#22136: Object#1728, tree.tpe=Object#1728
                  )
                )
                Apply( // case def case8#22486(): Object#1728, tree.tpe=Object#1728
                  "case8" // case def case8#22486(): Object#1728, tree.tpe=()Object#1728
                  Nil
                )
              )
            )
            Apply( // case def case8#22486(): Object#1728, tree.tpe=Object#1728
              "case8" // case def case8#22486(): Object#1728, tree.tpe=()Object#1728
              Nil
            )
          )
        )
        Apply( // case def case8#22486(): Object#1728, tree.tpe=Object#1728
          "case8" // case def case8#22486(): Object#1728, tree.tpe=()Object#1728
          Nil
        )
      )
    )
    LabelDef( // case def case8#22486(): Object#1728, tree.tpe=Object#1728
      ()
      Apply( // case def matchEnd6#22483(x#34967: Object#1728): Object#1728, tree.tpe=Object#1728
        "matchEnd6" // case def matchEnd6#22483(x#34967: Object#1728): Object#1728, tree.tpe=(x#34967: Object#1728)Object#1728
        Apply( // def apply#14937(v1#32182: Object#1728): Object#1728 in trait Function1#416, tree.tpe=Object#1728
          "default"."apply" // def apply#14937(v1#32182: Object#1728): Object#1728 in trait Function1#416, tree.tpe=(v1#32182: Object#1728)Object#1728
          "x$1" // x$1#15870: Tuple2#1514, tree.tpe=Tuple2#1514
        )
      )
    )
    LabelDef( // case def matchEnd6#22483(x#34967: Object#1728): Object#1728, tree.tpe=Object#1728
      "x" // x#22484: Object#1728, tree.tpe=Object#1728
      "x" // x#22484: Object#1728, tree.tpe=Object#1728
    )
  )
)

== Expanded type of tree ==

TypeRef(
  TypeSymbol(
    final class Array#131[T#11679 >: ? <: ?] extends Object#1728
  )
  args = List(TypeRef(TypeSymbol(class Object#1728 extends )))
)

unhandled exception while transforming Test.scala
error: 
     while compiling: Test.scala
        during phase: lambdalift
     library version: version 2.10.1-20121125-133849-2a8291a356
    compiler version: version 2.10.1-20121125-133849-2a8291a356
  reconstructed args: -uniqid -Xprint:typer

  last tree to typer: TypeTree(class Array#131)
              symbol: class Array#131 in package scala#21 (flags: final)
   symbol definition: final class Array#131[T#11679 >: ? <: ?] extends Object#1728
                 tpe: Array#131[Object#1728]
       symbol owners: class Array#131 -> package scala#21
      context owners: value x4#22481 -> method applyOrElse#22114 -> anonymous class $anonfun$m$1#22112 -> method m#7037 -> object Test#6955 -> package <empty>#3

== Enclosing template or block ==

DefDef( // final override def applyOrElse#22114(x$1#32175: Tuple2#1514,default#32176: Function1#416): Object#1728
  <method> final override <triedcooking>
  "applyOrElse"
  []
  // 1 parameter list
  ValDef( // x$1#22124: Tuple2#1514
    <param> <synthetic> <triedcooking>
    "x$1"
    <tpt> // tree.tpe=Tuple2#1514
    <empty>
  )
  ValDef( // default#22125: Function1#416
    <param> <synthetic>
    "default"
    <tpt> // tree.tpe=Function1#416
    <empty>
  )
  <tpt> // tree.tpe=Object#1728
  Block( // tree.tpe=Object#1728
    // 3 statements
    ValDef( // case val x1#22476: Object#1728
      case <synthetic> <triedcooking>
      "x1"
      <tpt> // tree.tpe=Object#1728
      Typed( // tree.tpe=Object#1728
        "x$1" // x$1#22124: Tuple2#1514, tree.tpe=Tuple2#1514
        <tpt> // tree.tpe=Object#1728
      )
    )
    LabelDef( // case def case7#22485(): Object#1728, tree.tpe=Object#1728
      ()
      If( // tree.tpe=Object#1728
        Apply( // final def $isInstanceOf#4720[T0#4721 >: ? <: ?](): Boolean#137 in class Object#1728, tree.tpe=Boolean#137
          TypeApply( // final def $isInstanceOf#4720[T0#4721 >: ? <: ?](): Boolean#137 in class Object#1728, tree.tpe=()Boolean#137
            "x1"."$isInstanceOf" // final def $isInstanceOf#4720[T0#4721 >: ? <: ?](): Boolean#137 in class Object#1728, tree.tpe=[T0#4721 >: ? <: ?]()Boolean#137
            <tpt> // tree.tpe=Tuple2#1514
          )
          Nil
        )
        Block( // tree.tpe=Object#1728
          ValDef( // val x3#22478: Tuple2#1514
            <synthetic> <triedcooking>
            "x3"
            <tpt> // tree.tpe=Tuple2#1514
            Typed( // tree.tpe=Tuple2#1514
              Apply( // final def $asInstanceOf#4722[T0#4723 >: ? <: ?](): T0#4723 in class Object#1728, tree.tpe=Tuple2#1514
                TypeApply( // final def $asInstanceOf#4722[T0#4723 >: ? <: ?](): T0#4723 in class Object#1728, tree.tpe=()Tuple2#1514
                  "x1"."$asInstanceOf" // final def $asInstanceOf#4722[T0#4723 >: ? <: ?](): T0#4723 in class Object#1728, tree.tpe=[T0#4723 >: ? <: ?]()T0#4723
                  <tpt> // tree.tpe=Tuple2#1514
                )
                Nil
              )
              <tpt> // tree.tpe=Tuple2#1514
            )
          )
          If( // tree.tpe=Object#1728
            Apply( // final def ne#4710(x$1#34965: Object#1728): Boolean#137 in class Object#1728, tree.tpe=Boolean#137
              "x3"."ne" // final def ne#4710(x$1#34965: Object#1728): Boolean#137 in class Object#1728, tree.tpe=(x$1#34965: Object#1728)Boolean#137
              null
            )
            Block( // tree.tpe=Object#1728
              // 2 statements
              ValDef( // val x#22136: Object#1728
                <triedcooking>
                "x"
                <tpt> // tree.tpe=Object#1728
                Apply( // val _1#12646(): Object#1728 in class Tuple2#1514, tree.tpe=Object#1728
                  "x3"."_1" // val _1#12646(): Object#1728 in class Tuple2#1514, tree.tpe=()Object#1728
                  Nil
                )
              )
              ValDef( // val p2#22477: Boolean#137
                <synthetic> <triedcooking>
                "p2"
                <tpt> // tree.tpe=Boolean#137
                Apply( // val _2$mcZ$sp#26445(): Boolean#137 in class Tuple2#1514, tree.tpe=Boolean#137
                  "x3"."_2$mcZ$sp" // val _2$mcZ$sp#26445(): Boolean#137 in class Tuple2#1514, tree.tpe=()Boolean#137
                  Nil
                )
              )
              If( // tree.tpe=Object#1728
                Apply( // def ==#12691(x#34966: Boolean#137): Boolean#137 in class Boolean#137, tree.tpe=Boolean#137
                  true."$eq$eq" // def ==#12691(x#34966: Boolean#137): Boolean#137 in class Boolean#137, tree.tpe=(x#34966: Boolean#137)Boolean#137
                  "p2" // val p2#22477: Boolean#137, tree.tpe=Boolean#137
                )
                Block( // tree.tpe=Object#1728
                  ValDef( // val x4#22481: Boolean#137
                    <synthetic>
                    "x4"
                    <tpt> // tree.tpe=Boolean#137
                    "p2" // val p2#22477: Boolean#137, tree.tpe=Boolean#137
                  )
                  Apply( // case def matchEnd6#22483(x#34967: Object#1728): Object#1728, tree.tpe=Object#1728
                    "matchEnd6" // case def matchEnd6#22483(x#34967: Object#1728): Object#1728, tree.tpe=(x#34967: Object#1728)Object#1728
                    "x" // val x#22136: Object#1728, tree.tpe=Object#1728
                  )
                )
                Apply( // case def case8#22486(): Object#1728, tree.tpe=Object#1728
                  "case8" // case def case8#22486(): Object#1728, tree.tpe=()Object#1728
                  Nil
                )
              )
            )
            Apply( // case def case8#22486(): Object#1728, tree.tpe=Object#1728
              "case8" // case def case8#22486(): Object#1728, tree.tpe=()Object#1728
              Nil
            )
          )
        )
        Apply( // case def case8#22486(): Object#1728, tree.tpe=Object#1728
          "case8" // case def case8#22486(): Object#1728, tree.tpe=()Object#1728
          Nil
        )
      )
    )
    LabelDef( // case def case8#22486(): Object#1728, tree.tpe=Object#1728
      ()
      Apply( // case def matchEnd6#22483(x#34967: Object#1728): Object#1728, tree.tpe=Object#1728
        "matchEnd6" // case def matchEnd6#22483(x#34967: Object#1728): Object#1728, tree.tpe=(x#34967: Object#1728)Object#1728
        Apply( // def apply#14937(v1#32182: Object#1728): Object#1728 in trait Function1#416, tree.tpe=Object#1728
          "default"."apply" // def apply#14937(v1#32182: Object#1728): Object#1728 in trait Function1#416, tree.tpe=(v1#32182: Object#1728)Object#1728
          "x$1" // x$1#15870: Tuple2#1514, tree.tpe=Tuple2#1514
        )
      )
    )
    LabelDef( // case def matchEnd6#22483(x#34967: Object#1728): Object#1728, tree.tpe=Object#1728
      "x" // x#22484: Object#1728, tree.tpe=Object#1728
      "x" // x#22484: Object#1728, tree.tpe=Object#1728
    )
  )
)

== Expanded type of tree ==

TypeRef(
  TypeSymbol(
    final class Array#131[T#11679 >: ? <: ?] extends Object#1728
  )
  args = List(TypeRef(TypeSymbol(class Object#1728 extends )))
)

uncaught exception during compilation: java.lang.IllegalArgumentException
error: java.lang.IllegalArgumentException: Could not find proxy for default#15872: Function1#416 in List(value default#15872, method applyOrElse#15868, anonymous class $anonfun#15861, method m#7037, object Test#6955, package <empty>#3, package <root>#2) (currentOwner= method applyOrElse#22114 )
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.scala$tools$nsc$transform$LambdaLift$LambdaLifter$$searchIn$1(LambdaLift.scala:303)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter$$anonfun$scala$tools$nsc$transform$LambdaLift$LambdaLifter$$searchIn$1$2.apply(LambdaLift.scala:308)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter$$anonfun$scala$tools$nsc$transform$LambdaLift$LambdaLifter$$searchIn$1$2.apply(LambdaLift.scala:308)
	at scala.Option.getOrElse(Option.scala:120)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.scala$tools$nsc$transform$LambdaLift$LambdaLifter$$searchIn$1(LambdaLift.scala:308)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter$$anonfun$scala$tools$nsc$transform$LambdaLift$LambdaLifter$$searchIn$1$2.apply(LambdaLift.scala:308)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter$$anonfun$scala$tools$nsc$transform$LambdaLift$LambdaLifter$$searchIn$1$2.apply(LambdaLift.scala:308)
	at scala.Option.getOrElse(Option.scala:120)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.scala$tools$nsc$transform$LambdaLift$LambdaLifter$$searchIn$1(LambdaLift.scala:308)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter$$anonfun$scala$tools$nsc$transform$LambdaLift$LambdaLifter$$searchIn$1$2.apply(LambdaLift.scala:308)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter$$anonfun$scala$tools$nsc$transform$LambdaLift$LambdaLifter$$searchIn$1$2.apply(LambdaLift.scala:308)
	at scala.Option.getOrElse(Option.scala:120)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.scala$tools$nsc$transform$LambdaLift$LambdaLifter$$searchIn$1(LambdaLift.scala:308)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter$$anonfun$scala$tools$nsc$transform$LambdaLift$LambdaLifter$$searchIn$1$2.apply(LambdaLift.scala:308)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter$$anonfun$scala$tools$nsc$transform$LambdaLift$LambdaLifter$$searchIn$1$2.apply(LambdaLift.scala:308)
	at scala.Option.getOrElse(Option.scala:120)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.scala$tools$nsc$transform$LambdaLift$LambdaLifter$$searchIn$1(LambdaLift.scala:308)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter$$anonfun$scala$tools$nsc$transform$LambdaLift$LambdaLifter$$searchIn$1$2.apply(LambdaLift.scala:308)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter$$anonfun$scala$tools$nsc$transform$LambdaLift$LambdaLifter$$searchIn$1$2.apply(LambdaLift.scala:308)
	at scala.Option.getOrElse(Option.scala:120)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.scala$tools$nsc$transform$LambdaLift$LambdaLifter$$searchIn$1(LambdaLift.scala:308)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter$$anonfun$scala$tools$nsc$transform$LambdaLift$LambdaLifter$$searchIn$1$2.apply(LambdaLift.scala:308)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter$$anonfun$scala$tools$nsc$transform$LambdaLift$LambdaLifter$$searchIn$1$2.apply(LambdaLift.scala:308)
	at scala.Option.getOrElse(Option.scala:120)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.scala$tools$nsc$transform$LambdaLift$LambdaLifter$$searchIn$1(LambdaLift.scala:308)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.proxy(LambdaLift.scala:317)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.scala$tools$nsc$transform$LambdaLift$LambdaLifter$$proxyRef(LambdaLift.scala:333)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.postTransform(LambdaLift.scala:474)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1188)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:48)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1190)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:48)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.api.Trees$Transformer$$anonfun$transformTrees$1.apply(Trees.scala:2836)
	at scala.reflect.api.Trees$Transformer$$anonfun$transformTrees$1.apply(Trees.scala:2836)
	at scala.collection.immutable.List.loop$1(List.scala:164)
	at scala.collection.immutable.List.mapConserve(List.scala:180)
	at scala.reflect.api.Trees$Transformer.transformTrees(Trees.scala:2836)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1190)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:48)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1264)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:48)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.api.Trees$Transformer$$anonfun$transformStats$1.apply(Trees.scala:2863)
	at scala.reflect.api.Trees$Transformer$$anonfun$transformStats$1.apply(Trees.scala:2861)
	at scala.collection.immutable.List.loop$1(List.scala:164)
	at scala.collection.immutable.List.mapConserve(List.scala:180)
	at scala.reflect.api.Trees$Transformer.transformStats(Trees.scala:2861)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transformStats(LambdaLift.scala:523)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transformStats(LambdaLift.scala:42)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1209)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:48)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.internal.Trees$$anonfun$itransform$2.apply(Trees.scala:1206)
	at scala.reflect.internal.Trees$$anonfun$itransform$2.apply(Trees.scala:1204)
	at scala.reflect.api.Trees$Transformer.atOwner(Trees.scala:2872)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:34)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:28)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:19)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1203)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:48)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.api.Trees$Transformer$$anonfun$transformStats$1.apply(Trees.scala:2863)
	at scala.reflect.api.Trees$Transformer$$anonfun$transformStats$1.apply(Trees.scala:2861)
	at scala.collection.immutable.List.loop$1(List.scala:164)
	at scala.collection.immutable.List.mapConserve(List.scala:180)
	at scala.reflect.api.Trees$Transformer.transformStats(Trees.scala:2861)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transformStats(LambdaLift.scala:523)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transformStats(LambdaLift.scala:42)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1247)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.scala$tools$nsc$transform$TypingTransformers$TypingTransformer$$super$transform(TypingTransformers.scala:44)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer$$anonfun$transform$1.apply(TypingTransformers.scala:44)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer$$anonfun$transform$1.apply(TypingTransformers.scala:44)
	at scala.reflect.api.Trees$Transformer.atOwner(Trees.scala:2872)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:34)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:28)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:44)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.api.Trees$Transformer.transformTemplate(Trees.scala:2840)
	at scala.reflect.internal.Trees$$anonfun$itransform$4.apply(Trees.scala:1251)
	at scala.reflect.internal.Trees$$anonfun$itransform$4.apply(Trees.scala:1250)
	at scala.reflect.api.Trees$Transformer.atOwner(Trees.scala:2872)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:34)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:28)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:19)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1249)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:48)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.api.Trees$Transformer$$anonfun$transformStats$1.apply(Trees.scala:2863)
	at scala.reflect.api.Trees$Transformer$$anonfun$transformStats$1.apply(Trees.scala:2861)
	at scala.collection.immutable.List.loop$1(List.scala:164)
	at scala.collection.immutable.List.mapConserve(List.scala:180)
	at scala.reflect.api.Trees$Transformer.transformStats(Trees.scala:2861)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transformStats(LambdaLift.scala:523)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transformStats(LambdaLift.scala:42)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1209)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:48)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1243)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:48)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.api.Trees$Transformer$$anonfun$transformTrees$1.apply(Trees.scala:2836)
	at scala.reflect.api.Trees$Transformer$$anonfun$transformTrees$1.apply(Trees.scala:2836)
	at scala.collection.immutable.List.loop$1(List.scala:164)
	at scala.collection.immutable.List.mapConserve(List.scala:180)
	at scala.reflect.api.Trees$Transformer.transformTrees(Trees.scala:2836)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1190)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:48)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1188)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:48)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1215)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:48)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1190)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:48)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.api.Trees$Transformer$$anonfun$transformTrees$1.apply(Trees.scala:2836)
	at scala.reflect.api.Trees$Transformer$$anonfun$transformTrees$1.apply(Trees.scala:2836)
	at scala.collection.immutable.List.loop$1(List.scala:164)
	at scala.collection.immutable.List.mapConserve(List.scala:180)
	at scala.reflect.api.Trees$Transformer.transformTrees(Trees.scala:2836)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1291)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:48)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1188)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:48)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1215)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:48)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1190)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:48)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.api.Trees$Transformer$$anonfun$transformTrees$1.apply(Trees.scala:2836)
	at scala.reflect.api.Trees$Transformer$$anonfun$transformTrees$1.apply(Trees.scala:2836)
	at scala.collection.immutable.List.loop$1(List.scala:164)
	at scala.collection.immutable.List.mapConserve(List.scala:180)
	at scala.reflect.api.Trees$Transformer.transformTrees(Trees.scala:2836)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1190)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:48)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.api.Trees$Transformer$$anonfun$transformTrees$1.apply(Trees.scala:2836)
	at scala.reflect.api.Trees$Transformer$$anonfun$transformTrees$1.apply(Trees.scala:2836)
	at scala.collection.immutable.List.loop$1(List.scala:164)
	at scala.collection.immutable.List.mapConserve(List.scala:180)
	at scala.reflect.api.Trees$Transformer.transformTrees(Trees.scala:2836)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1190)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:48)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.internal.Trees$$anonfun$itransform$2.apply(Trees.scala:1206)
	at scala.reflect.internal.Trees$$anonfun$itransform$2.apply(Trees.scala:1204)
	at scala.reflect.api.Trees$Transformer.atOwner(Trees.scala:2872)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:34)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:28)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:19)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1203)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:48)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.api.Trees$Transformer$$anonfun$transformStats$1.apply(Trees.scala:2863)
	at scala.reflect.api.Trees$Transformer$$anonfun$transformStats$1.apply(Trees.scala:2861)
	at scala.collection.immutable.List.loop$1(List.scala:164)
	at scala.collection.immutable.List.mapConserve(List.scala:180)
	at scala.reflect.api.Trees$Transformer.transformStats(Trees.scala:2861)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transformStats(LambdaLift.scala:523)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transformStats(LambdaLift.scala:42)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1247)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.scala$tools$nsc$transform$TypingTransformers$TypingTransformer$$super$transform(TypingTransformers.scala:44)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer$$anonfun$transform$1.apply(TypingTransformers.scala:44)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer$$anonfun$transform$1.apply(TypingTransformers.scala:44)
	at scala.reflect.api.Trees$Transformer.atOwner(Trees.scala:2872)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:34)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:28)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:44)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.api.Trees$Transformer.transformTemplate(Trees.scala:2840)
	at scala.reflect.internal.Trees$$anonfun$itransform$4.apply(Trees.scala:1251)
	at scala.reflect.internal.Trees$$anonfun$itransform$4.apply(Trees.scala:1250)
	at scala.reflect.api.Trees$Transformer.atOwner(Trees.scala:2872)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:34)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:28)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:19)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1249)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:48)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.api.Trees$Transformer$$anonfun$transformStats$1.apply(Trees.scala:2863)
	at scala.reflect.api.Trees$Transformer$$anonfun$transformStats$1.apply(Trees.scala:2861)
	at scala.collection.immutable.List.loop$1(List.scala:164)
	at scala.collection.immutable.List.mapConserve(List.scala:180)
	at scala.reflect.api.Trees$Transformer.transformStats(Trees.scala:2861)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transformStats(LambdaLift.scala:523)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transformStats(LambdaLift.scala:42)
	at scala.reflect.internal.Trees$$anonfun$itransform$7.apply(Trees.scala:1269)
	at scala.reflect.internal.Trees$$anonfun$itransform$7.apply(Trees.scala:1269)
	at scala.reflect.api.Trees$Transformer.atOwner(Trees.scala:2872)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:34)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:28)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:19)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1268)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.scala$tools$nsc$transform$TypingTransformers$TypingTransformer$$super$transform(TypingTransformers.scala:44)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer$$anonfun$transform$2.apply(TypingTransformers.scala:46)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer$$anonfun$transform$2.apply(TypingTransformers.scala:46)
	at scala.reflect.api.Trees$Transformer.atOwner(Trees.scala:2872)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:34)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:28)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:46)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.tools.nsc.ast.Trees$Transformer.transformUnit(Trees.scala:227)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.scala$tools$nsc$transform$LambdaLift$LambdaLifter$$super$transformUnit(LambdaLift.scala:529)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter$$anonfun$transformUnit$1.apply$mcV$sp(LambdaLift.scala:529)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter$$anonfun$transformUnit$1.apply(LambdaLift.scala:529)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter$$anonfun$transformUnit$1.apply(LambdaLift.scala:529)
	at scala.reflect.internal.SymbolTable.atPhase(SymbolTable.scala:207)
	at scala.reflect.internal.SymbolTable.afterPhase(SymbolTable.scala:216)
	at scala.tools.nsc.SubComponent.afterOwnPhase(SubComponent.scala:51)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transformUnit(LambdaLift.scala:528)
	at scala.tools.nsc.transform.Transform$Phase.apply(Transform.scala:30)
	at scala.tools.nsc.Global$GlobalPhase.applyPhase(Global.scala:461)
	at scala.tools.nsc.Global$GlobalPhase$$anonfun$run$1.apply(Global.scala:428)
	at scala.tools.nsc.Global$GlobalPhase$$anonfun$run$1.apply(Global.scala:428)
	at scala.collection.Iterator$class.foreach(Iterator.scala:727)
	at scala.collection.AbstractIterator.foreach(Iterator.scala:1156)
	at scala.tools.nsc.Global$GlobalPhase.run(Global.scala:428)
	at scala.tools.nsc.Global$Run.compileUnitsInternal(Global.scala:1574)
	at scala.tools.nsc.Global$Run.compileUnits(Global.scala:1548)
	at scala.tools.nsc.Global$Run.compileSources(Global.scala:1544)
	at scala.tools.nsc.Global$Run.compile(Global.scala:1654)
	at scala.tools.nsc.Driver.doCompile(Driver.scala:33)
	at scala.tools.nsc.Main$.doCompile(Main.scala:79)
	at scala.tools.nsc.Driver.process(Driver.scala:54)
	at scala.tools.nsc.Driver.main(Driver.scala:67)
	at scala.tools.nsc.Main.main(Main.scala)

Exception in thread "main" java.lang.IllegalArgumentException: Could not find proxy for default#15872: Function1#416 in List(value default#15872, method applyOrElse#15868, anonymous class $anonfun#15861, method m#7037, object Test#6955, package <empty>#3, package <root>#2) (currentOwner= method applyOrElse#22114 )
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.scala$tools$nsc$transform$LambdaLift$LambdaLifter$$searchIn$1(LambdaLift.scala:303)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter$$anonfun$scala$tools$nsc$transform$LambdaLift$LambdaLifter$$searchIn$1$2.apply(LambdaLift.scala:308)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter$$anonfun$scala$tools$nsc$transform$LambdaLift$LambdaLifter$$searchIn$1$2.apply(LambdaLift.scala:308)
	at scala.Option.getOrElse(Option.scala:120)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.scala$tools$nsc$transform$LambdaLift$LambdaLifter$$searchIn$1(LambdaLift.scala:308)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter$$anonfun$scala$tools$nsc$transform$LambdaLift$LambdaLifter$$searchIn$1$2.apply(LambdaLift.scala:308)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter$$anonfun$scala$tools$nsc$transform$LambdaLift$LambdaLifter$$searchIn$1$2.apply(LambdaLift.scala:308)
	at scala.Option.getOrElse(Option.scala:120)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.scala$tools$nsc$transform$LambdaLift$LambdaLifter$$searchIn$1(LambdaLift.scala:308)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter$$anonfun$scala$tools$nsc$transform$LambdaLift$LambdaLifter$$searchIn$1$2.apply(LambdaLift.scala:308)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter$$anonfun$scala$tools$nsc$transform$LambdaLift$LambdaLifter$$searchIn$1$2.apply(LambdaLift.scala:308)
	at scala.Option.getOrElse(Option.scala:120)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.scala$tools$nsc$transform$LambdaLift$LambdaLifter$$searchIn$1(LambdaLift.scala:308)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter$$anonfun$scala$tools$nsc$transform$LambdaLift$LambdaLifter$$searchIn$1$2.apply(LambdaLift.scala:308)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter$$anonfun$scala$tools$nsc$transform$LambdaLift$LambdaLifter$$searchIn$1$2.apply(LambdaLift.scala:308)
	at scala.Option.getOrElse(Option.scala:120)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.scala$tools$nsc$transform$LambdaLift$LambdaLifter$$searchIn$1(LambdaLift.scala:308)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter$$anonfun$scala$tools$nsc$transform$LambdaLift$LambdaLifter$$searchIn$1$2.apply(LambdaLift.scala:308)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter$$anonfun$scala$tools$nsc$transform$LambdaLift$LambdaLifter$$searchIn$1$2.apply(LambdaLift.scala:308)
	at scala.Option.getOrElse(Option.scala:120)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.scala$tools$nsc$transform$LambdaLift$LambdaLifter$$searchIn$1(LambdaLift.scala:308)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter$$anonfun$scala$tools$nsc$transform$LambdaLift$LambdaLifter$$searchIn$1$2.apply(LambdaLift.scala:308)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter$$anonfun$scala$tools$nsc$transform$LambdaLift$LambdaLifter$$searchIn$1$2.apply(LambdaLift.scala:308)
	at scala.Option.getOrElse(Option.scala:120)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.scala$tools$nsc$transform$LambdaLift$LambdaLifter$$searchIn$1(LambdaLift.scala:308)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.proxy(LambdaLift.scala:317)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.scala$tools$nsc$transform$LambdaLift$LambdaLifter$$proxyRef(LambdaLift.scala:333)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.postTransform(LambdaLift.scala:474)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1188)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:48)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1190)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:48)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.api.Trees$Transformer$$anonfun$transformTrees$1.apply(Trees.scala:2836)
	at scala.reflect.api.Trees$Transformer$$anonfun$transformTrees$1.apply(Trees.scala:2836)
	at scala.collection.immutable.List.loop$1(List.scala:164)
	at scala.collection.immutable.List.mapConserve(List.scala:180)
	at scala.reflect.api.Trees$Transformer.transformTrees(Trees.scala:2836)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1190)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:48)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1264)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:48)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.api.Trees$Transformer$$anonfun$transformStats$1.apply(Trees.scala:2863)
	at scala.reflect.api.Trees$Transformer$$anonfun$transformStats$1.apply(Trees.scala:2861)
	at scala.collection.immutable.List.loop$1(List.scala:164)
	at scala.collection.immutable.List.mapConserve(List.scala:180)
	at scala.reflect.api.Trees$Transformer.transformStats(Trees.scala:2861)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transformStats(LambdaLift.scala:523)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transformStats(LambdaLift.scala:42)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1209)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:48)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.internal.Trees$$anonfun$itransform$2.apply(Trees.scala:1206)
	at scala.reflect.internal.Trees$$anonfun$itransform$2.apply(Trees.scala:1204)
	at scala.reflect.api.Trees$Transformer.atOwner(Trees.scala:2872)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:34)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:28)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:19)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1203)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:48)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.api.Trees$Transformer$$anonfun$transformStats$1.apply(Trees.scala:2863)
	at scala.reflect.api.Trees$Transformer$$anonfun$transformStats$1.apply(Trees.scala:2861)
	at scala.collection.immutable.List.loop$1(List.scala:164)
	at scala.collection.immutable.List.mapConserve(List.scala:180)
	at scala.reflect.api.Trees$Transformer.transformStats(Trees.scala:2861)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transformStats(LambdaLift.scala:523)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transformStats(LambdaLift.scala:42)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1247)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.scala$tools$nsc$transform$TypingTransformers$TypingTransformer$$super$transform(TypingTransformers.scala:44)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer$$anonfun$transform$1.apply(TypingTransformers.scala:44)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer$$anonfun$transform$1.apply(TypingTransformers.scala:44)
	at scala.reflect.api.Trees$Transformer.atOwner(Trees.scala:2872)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:34)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:28)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:44)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.api.Trees$Transformer.transformTemplate(Trees.scala:2840)
	at scala.reflect.internal.Trees$$anonfun$itransform$4.apply(Trees.scala:1251)
	at scala.reflect.internal.Trees$$anonfun$itransform$4.apply(Trees.scala:1250)
	at scala.reflect.api.Trees$Transformer.atOwner(Trees.scala:2872)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:34)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:28)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:19)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1249)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:48)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.api.Trees$Transformer$$anonfun$transformStats$1.apply(Trees.scala:2863)
	at scala.reflect.api.Trees$Transformer$$anonfun$transformStats$1.apply(Trees.scala:2861)
	at scala.collection.immutable.List.loop$1(List.scala:164)
	at scala.collection.immutable.List.mapConserve(List.scala:180)
	at scala.reflect.api.Trees$Transformer.transformStats(Trees.scala:2861)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transformStats(LambdaLift.scala:523)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transformStats(LambdaLift.scala:42)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1209)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:48)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1243)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:48)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.api.Trees$Transformer$$anonfun$transformTrees$1.apply(Trees.scala:2836)
	at scala.reflect.api.Trees$Transformer$$anonfun$transformTrees$1.apply(Trees.scala:2836)
	at scala.collection.immutable.List.loop$1(List.scala:164)
	at scala.collection.immutable.List.mapConserve(List.scala:180)
	at scala.reflect.api.Trees$Transformer.transformTrees(Trees.scala:2836)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1190)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:48)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1188)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:48)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1215)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:48)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1190)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:48)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.api.Trees$Transformer$$anonfun$transformTrees$1.apply(Trees.scala:2836)
	at scala.reflect.api.Trees$Transformer$$anonfun$transformTrees$1.apply(Trees.scala:2836)
	at scala.collection.immutable.List.loop$1(List.scala:164)
	at scala.collection.immutable.List.mapConserve(List.scala:180)
	at scala.reflect.api.Trees$Transformer.transformTrees(Trees.scala:2836)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1291)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:48)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1188)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:48)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1215)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:48)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1190)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:48)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.api.Trees$Transformer$$anonfun$transformTrees$1.apply(Trees.scala:2836)
	at scala.reflect.api.Trees$Transformer$$anonfun$transformTrees$1.apply(Trees.scala:2836)
	at scala.collection.immutable.List.loop$1(List.scala:164)
	at scala.collection.immutable.List.mapConserve(List.scala:180)
	at scala.reflect.api.Trees$Transformer.transformTrees(Trees.scala:2836)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1190)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:48)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.api.Trees$Transformer$$anonfun$transformTrees$1.apply(Trees.scala:2836)
	at scala.reflect.api.Trees$Transformer$$anonfun$transformTrees$1.apply(Trees.scala:2836)
	at scala.collection.immutable.List.loop$1(List.scala:164)
	at scala.collection.immutable.List.mapConserve(List.scala:180)
	at scala.reflect.api.Trees$Transformer.transformTrees(Trees.scala:2836)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1190)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:48)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.internal.Trees$$anonfun$itransform$2.apply(Trees.scala:1206)
	at scala.reflect.internal.Trees$$anonfun$itransform$2.apply(Trees.scala:1204)
	at scala.reflect.api.Trees$Transformer.atOwner(Trees.scala:2872)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:34)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:28)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:19)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1203)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:48)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.api.Trees$Transformer$$anonfun$transformStats$1.apply(Trees.scala:2863)
	at scala.reflect.api.Trees$Transformer$$anonfun$transformStats$1.apply(Trees.scala:2861)
	at scala.collection.immutable.List.loop$1(List.scala:164)
	at scala.collection.immutable.List.mapConserve(List.scala:180)
	at scala.reflect.api.Trees$Transformer.transformStats(Trees.scala:2861)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transformStats(LambdaLift.scala:523)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transformStats(LambdaLift.scala:42)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1247)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.scala$tools$nsc$transform$TypingTransformers$TypingTransformer$$super$transform(TypingTransformers.scala:44)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer$$anonfun$transform$1.apply(TypingTransformers.scala:44)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer$$anonfun$transform$1.apply(TypingTransformers.scala:44)
	at scala.reflect.api.Trees$Transformer.atOwner(Trees.scala:2872)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:34)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:28)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:44)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.api.Trees$Transformer.transformTemplate(Trees.scala:2840)
	at scala.reflect.internal.Trees$$anonfun$itransform$4.apply(Trees.scala:1251)
	at scala.reflect.internal.Trees$$anonfun$itransform$4.apply(Trees.scala:1250)
	at scala.reflect.api.Trees$Transformer.atOwner(Trees.scala:2872)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:34)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:28)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:19)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1249)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:48)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.reflect.api.Trees$Transformer$$anonfun$transformStats$1.apply(Trees.scala:2863)
	at scala.reflect.api.Trees$Transformer$$anonfun$transformStats$1.apply(Trees.scala:2861)
	at scala.collection.immutable.List.loop$1(List.scala:164)
	at scala.collection.immutable.List.mapConserve(List.scala:180)
	at scala.reflect.api.Trees$Transformer.transformStats(Trees.scala:2861)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transformStats(LambdaLift.scala:523)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transformStats(LambdaLift.scala:42)
	at scala.reflect.internal.Trees$$anonfun$itransform$7.apply(Trees.scala:1269)
	at scala.reflect.internal.Trees$$anonfun$itransform$7.apply(Trees.scala:1269)
	at scala.reflect.api.Trees$Transformer.atOwner(Trees.scala:2872)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:34)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:28)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:19)
	at scala.reflect.internal.Trees$class.itransform(Trees.scala:1268)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.internal.SymbolTable.itransform(SymbolTable.scala:13)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:2833)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.scala$tools$nsc$transform$TypingTransformers$TypingTransformer$$super$transform(TypingTransformers.scala:44)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer$$anonfun$transform$2.apply(TypingTransformers.scala:46)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer$$anonfun$transform$2.apply(TypingTransformers.scala:46)
	at scala.reflect.api.Trees$Transformer.atOwner(Trees.scala:2872)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:34)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:28)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:46)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:272)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.preTransform(LambdaLift.scala:496)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:504)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transform(LambdaLift.scala:42)
	at scala.tools.nsc.ast.Trees$Transformer.transformUnit(Trees.scala:227)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.scala$tools$nsc$transform$LambdaLift$LambdaLifter$$super$transformUnit(LambdaLift.scala:529)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter$$anonfun$transformUnit$1.apply$mcV$sp(LambdaLift.scala:529)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter$$anonfun$transformUnit$1.apply(LambdaLift.scala:529)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter$$anonfun$transformUnit$1.apply(LambdaLift.scala:529)
	at scala.reflect.internal.SymbolTable.atPhase(SymbolTable.scala:207)
	at scala.reflect.internal.SymbolTable.afterPhase(SymbolTable.scala:216)
	at scala.tools.nsc.SubComponent.afterOwnPhase(SubComponent.scala:51)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transformUnit(LambdaLift.scala:528)
	at scala.tools.nsc.transform.Transform$Phase.apply(Transform.scala:30)
	at scala.tools.nsc.Global$GlobalPhase.applyPhase(Global.scala:461)
	at scala.tools.nsc.Global$GlobalPhase$$anonfun$run$1.apply(Global.scala:428)
	at scala.tools.nsc.Global$GlobalPhase$$anonfun$run$1.apply(Global.scala:428)
	at scala.collection.Iterator$class.foreach(Iterator.scala:727)
	at scala.collection.AbstractIterator.foreach(Iterator.scala:1156)
	at scala.tools.nsc.Global$GlobalPhase.run(Global.scala:428)
	at scala.tools.nsc.Global$Run.compileUnitsInternal(Global.scala:1574)
	at scala.tools.nsc.Global$Run.compileUnits(Global.scala:1548)
	at scala.tools.nsc.Global$Run.compileSources(Global.scala:1544)
	at scala.tools.nsc.Global$Run.compile(Global.scala:1654)
	at scala.tools.nsc.Driver.doCompile(Driver.scala:33)
	at scala.tools.nsc.Main$.doCompile(Main.scala:79)
	at scala.tools.nsc.Driver.process(Driver.scala:54)
	at scala.tools.nsc.Driver.main(Driver.scala:67)
	at scala.tools.nsc.Main.main(Main.scala)

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@scabug scabug commented Dec 1, 2012

@retronym said:
That might be related to another nasty problem I spotted and briefly discussed with Adriaan. Tree attachments can smuggle through trees and symbols that evade the resetters; in particular the new pattern matcher has:

case class DefaultOverrideMatchAttachment(default: Tree)

We can either make the traversers / transformers descend into attachments (perhaps attachments that implement a 'Tree Smuggler' interface or somesuch); or go a different way and mandate that any tree that is smuggled in an attachment must also be inserted somewhere into the real tree, perhaps as an argument to a dummy method or annotation that get's eliminated down the line. (Yes, I feel a little dirty for suggesting that...)

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@scabug scabug commented Dec 1, 2012

@xeno-by said:
Okay the problem is with resetLocalAttrs erasing locally introduced symbols, some of which get smuggled in DefaultOverrideMatchAttachment, get unpacked in patmat and wreak havoc in lambdalift. Given the circumstances, I'd say we support Jason's last proposal.

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@scabug scabug commented Dec 6, 2012

@xeno-by said:
See tests introduced in scala/scala@5028181

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@scabug scabug commented Dec 10, 2012

@retronym said:
A potential workaround, for those who would like to get something working with 2.10.0, is to undo the translation of pattern matching anonymous partial functions.

Care must be taken in the other parts of the macro to then treat Match(EmptyTree, cases) as such a contruct, rather than a regular pattern match. If you weren't doing that anyway, your macro might not work under -Xoldpatmat.

  private object RestorePatternMatchingFunctions extends Transformer {

    override def transform(tree: Tree): Tree = {
      val SYNTHETIC = (1 << 21).toLong.asInstanceOf[FlagSet]
      def isSynthetic(cd: ClassDef) = cd.mods hasFlag SYNTHETIC
      val ApplyOrElse = newTermName("applyOrElse")

      tree match {
        case Block(
        (cd@ClassDef(_, _, _, Template(_, _, body))) :: Nil,
        Apply(Select(New(a), nme.CONSTRUCTOR), Nil)) if isSynthetic(cd) =>
          val restored = (body collectFirst {
            case DefDef(_, ApplyOrElse, _, _, _, Match(_, cases)) =>
              val transformedCases = super.transformStats(cases, currentOwner).asInstanceOf[List[CaseDef]]
              Match(EmptyTree, transformedCases)
          }).getOrElse(c.abort(tree.pos, s"Internal Error: Unable to find original pattern matching cases in: $body"))
          restored
        case t                                                          => super.transform(t)
      }
    }
  }

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@scabug scabug commented Jan 15, 2013

@retronym said (edited on Jan 15, 2013 9:25:32 PM UTC):
Let's try for some sort of compiler implemented workaround for 2.10.1.

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@scabug scabug commented Jan 27, 2013

@retronym said:
I've cobbled something together to get rid of DefaultOverrideMatchAttachment.

retronym/scala@scala:2.10.x...retronym:ticket/6187

Now I need to figure out what parts of the patch are essential for the fix; I'll admit to a little cargo cult along the way.

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@scabug scabug commented Jan 29, 2013

@retronym said:
scala/scala#2011

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@scabug scabug commented Feb 8, 2013

@JamesIry said:
superseded by scala/scala#2090

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@scabug scabug closed this Feb 8, 2013
@scabug scabug added this to the 2.10.1 milestone Apr 7, 2017
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