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Importers don't like existentials #5418

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scabug opened this issue Jan 29, 2012 · 7 comments
Closed

Importers don't like existentials #5418

scabug opened this issue Jan 29, 2012 · 7 comments
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@scabug
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@scabug scabug commented Jan 29, 2012

import scala.tools.nsc.reporters._
import scala.tools.nsc.Settings
import reflect.runtime.Mirror.ToolBox

object Test extends App {
  val code = scala.reflect.Code.lift{
    new Object().getClass
  };

  val reporter = new ConsoleReporter(new Settings)
  val toolbox = new ToolBox(reporter)
  val ttree = toolbox.typeCheck(code.tree)
  toolbox.runExpr(ttree)
}
java.lang.StackOverflowError
  at scala.reflect.internal.Importers$Importer.importTree(Importers.scala:229)
  at scala.reflect.internal.Importers$Importer.importTree(Importers.scala:299)
  at scala.reflect.internal.Importers$Importer.importTree(Importers.scala:279)
  at scala.reflect.internal.Importers$Importer.importTree(Importers.scala:299)
  at scala.reflect.internal.Importers$Importer.importTree(Importers.scala:290)
  at scala.reflect.internal.Importers$Importer.importTree(Importers.scala:299)
  at scala.reflect.internal.Importers$Importer.importTree(Importers.scala:290)
  at scala.reflect.internal.Importers$Importer.doImport$1(Importers.scala:43)
  at scala.reflect.internal.Importers$Importer.importOrRelink$1(Importers.scala:130)
  at scala.reflect.internal.Importers$Importer$$anonfun$importSymbol$1.apply(Importers.scala:132)
  at scala.reflect.internal.Importers$Importer$$anonfun$importSymbol$1.apply(Importers.scala:132)
  at scala.collection.mutable.MapLike$class.getOrElseUpdate(MapLike.scala:169)
  at scala.collection.mutable.AbstractMap.getOrElseUpdate(Map.scala:91)
  at scala.reflect.internal.Importers$Importer.importSymbol(Importers.scala:132)
  at scala.reflect.internal.Importers$Importer.importType(Importers.scala:137)
  at scala.reflect.internal.Importers$Importer$$anonfun$importType$1.apply(Importers.scala:137)
  at scala.reflect.internal.Importers$Importer$$anonfun$importType$1.apply(Importers.scala:137)
  at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:237)
  at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:237)
  at scala.collection.LinearSeqOptimized$class.foreach(LinearSeqOptimized.scala:59)
  at scala.collection.immutable.List.foreach(List.scala:77)
  at scala.collection.TraversableLike$class.map(TraversableLike.scala:237)
  at scala.collection.AbstractTraversable.map(Traversable.scala:112)
  at scala.reflect.internal.Importers$Importer.importType(Importers.scala:137)
  at scala.reflect.internal.Importers$Importer.importTree(Importers.scala:331)
  at scala.reflect.internal.Importers$Importer.doImport$1(Importers.scala:43)
  at scala.reflect.internal.Importers$Importer.importOrRelink$1(Importers.scala:130)
  at scala.reflect.internal.Importers$Importer$$anonfun$importSymbol$1.apply(Importers.scala:132)
  at scala.reflect.internal.Importers$Importer$$anonfun$importSymbol$1.apply(Importers.scala:132)
  at scala.collection.mutable.MapLike$class.getOrElseUpdate(MapLike.scala:169)
  at scala.collection.mutable.AbstractMap.getOrElseUpdate(Map.scala:91)
  at scala.reflect.internal.Importers$Importer.importSymbol(Importers.scala:132)
  at scala.reflect.internal.Importers$Importer.importType(Importers.scala:137)
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@scabug scabug commented Jan 29, 2012

Imported From: https://issues.scala-lang.org/browse/SI-5418?orig=1
Reporter: @xeno-by
Affected Versions: 2.10.0
Other Milestones: 2.10.0

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@scabug scabug commented May 3, 2012

@xeno-by said:
Probably related:

import scala.reflect.mirror._

object Test extends App {
  reify {
    class C { override def toString() = "C" }
    val ret = List((new C, new C))
    ret.asInstanceOf[List[_]]
  }.eval
}
undetParam added: type T
undetParam added: type A
undetParam added: type T1
undetParam added: type T2
undetParam inferred: type T1 as C
undetParam inferred: type T2 as C
undetParam inferred: type A as (C, C)
undetParam inferred: type T as List[_$1]
looking for macro implementation: macro method reify
macroDef is annotated with: List(scala.reflect.makro.internal.macroImpl(Universe.reify[T]))
resolved implementation method reify at NoPosition
primary macro mirror: initializing from -cp: List(file:/c:/PROGRA~1/Java/JDK16~1.0_2/jre/lib/resources.jar, file:/c:/PROGRA~1/Java/JDK16~1.0_2/jre/lib/rt.jar, file:/c:/PROGRA~1/Java/JDK16~1.0_2/jre/lib/jsse.jar, file:/c:/PROGRA~1/Java/JDK16~1.0_2/jre/lib/jce.jar, file:/c:/PROGRA~1/Java/JDK16~1.0_2/jre/lib/charsets.jar, file:/c:/PROGRA~1/Java/JDK16~1.0_2/jre/lib/ext/dnsns.jar, file:/c:/PROGRA~1/Java/JDK16~1.0_2/jre/lib/ext/localedata.jar, file:/c:/PROGRA~1/Java/JDK16~1.0_2/jre/lib/ext/sunjce_provider.jar, file:/C:/Projects/Kepler/lib/fjbg.jar, file:/C:/Projects/Kepler/build/locker/classes/compiler/, file:/C:/Projects/Kepler/build/locker/classes/library/, file:/C:/Projects/ScalaQuery/bin/scalaquery_2.9.1-0.10.0-SNAPSHOT.jar, file:/C:/Projects/Kepler/sandbox/./, file:/C:/PROGRA~2/QUICKT~1/QTSystem/QTJava.zip, file:/c:/PROGRA~1/Java/JDK16~1.0_2/lib/tools.jar, file:/C:/Program%20Files%20(x86)/QuickTime/QTSystem/QTJava.zip, file:/C:/Program%20Files%20(x86)/Java/jre6/lib/ext/QTJava.zip)
loading implementation class from <primary macro mirror>: scala.reflect.api.Universe
classloader is: Cl#272381940 of type class scala.tools.nsc.util.ScalaClassLoader$URLClassLoader
classpath is: [file:/c:/PROGRA~1/Java/JDK16~1.0_2/jre/lib/resources.jar,file:/c:/PROGRA~1/Java/JDK16~1.0_2/jre/lib/rt.jar,file:/c:/PROGRA~1/Java/JDK16~1.0_2/jre/lib/jsse.jar,file:/c:/PROGRA~1/Java/JDK16~1.0_2/jre/lib/jce.jar,file:/c:/PROGRA~1/Java/JDK16~1.0_2/jre/lib/charsets.jar,file:/c:/PROGRA~1/Java/JDK16~1.0_2/jre/lib/ext/dnsns.jar,file:/c:/PROGRA~1/Java/JDK16~1.0_2/jre/lib/ext/localedata.jar,file:/c:/PROGRA~1/Java/JDK16~1.0_2/jre/lib/ext/sunjce_provider.jar,file:/C:/Projects/Kepler/lib/fjbg.jar,file:/C:/Projects/Kepler/build/locker/classes/compiler/,file:/C:/Projects/Kepler/build/locker/classes/library/,file:/C:/Projects/ScalaQuery/bin/scalaquery_2.9.1-0.10.0-SNAPSHOT.jar,file:/C:/Projects/Kepler/sandbox/./,file:/C:/PROGRA~2/QUICKT~1/QTSystem/QTJava.zip,file:/c:/PROGRA~1/Java/JDK16~1.0_2/lib/tools.jar,file:/C:/Program%20Files%20(x86)/QuickTime/QTSystem/QTJava.zip,file:/C:/Program%20Files%20(x86)/Java/jre6/lib/ext/QTJava.zip]
implClassSymbol is: scala.reflect.api.Universe
implClass is class scala.reflect.api.Universe$ from (file:/C:/Projects/Kepler/build/locker/classes/library/ <no signer certificates>)
implClassLoader is sun.misc.Launcher$AppClassLoader@3326b249 with classpath [file:/C:/Projects/Kepler/lib/fjbg.jar,file:/C:/Projects/Kepler/build/locker/classes/compiler/,file:/C:/Projects/Kepler/build/locker/classes/library/]
implObjSymbol is: scala.reflect.api.Universe
implMethSymbol is: scala.reflect.api.Universe.reify
jimplMethSymbol is: public scala.reflect.api.Exprs$Expr scala.reflect.api.Universe$.reify(scala.reflect.makro.Context,scala.reflect.api.Exprs$Expr)
successfully loaded macro impl as (scala.reflect.api.Universe$@47098a, method reify)
calculateUndetparams: Set()
typechecking macro expansion scala.reflect.`package`.mirror.reify[List[_$1]]({
  class C extends scala.AnyRef {
    def <init>(): C = {
      C.super.<init>();
      ()
    };
    override def toString(): String = "C"
  };
  val ret: List[(C, C)] = immutable.this.List.apply[(C, C)](scala.Tuple2.apply[C, C](new C(), new C()));
  ret.asInstanceOf[List[_]]
}) at source-C:\Projects\Kepler\sandbox\Test.scala,line-4,offset=65
argss: List(List(MacroContext(reify@source-C:\Projects\Kepler\sandbox\Test.scala,line-4,offset=65 +0)), List(Expr[Nothing]({
  class C extends scala.AnyRef {
    def <init>(): C = {
      C.super.<init>();
      ()
    };
    override def toString(): String = "C"
  };
  val ret: List[(C, C)] = immutable.this.List.apply[(C, C)](scala.Tuple2.apply[C, C](new C(), new C()));
  ret.asInstanceOf[List[_]]
})))
paramss: List(List(value cc), List(value expr))
rawArgs: List(MacroContext(reify@source-C:\Projects\Kepler\sandbox\Test.scala,line-4,offset=65 +0), Expr[Nothing]({
  class C extends scala.AnyRef {
    def <init>(): C = {
      C.super.<init>();
      ()
    };
    override def toString(): String = "C"
  };
  val ret: List[(C, C)] = immutable.this.List.apply[(C, C)](scala.Tuple2.apply[C, C](new C(), new C()));
  ret.asInstanceOf[List[_]]
}))
reifying = 
{
  class C extends scala.AnyRef {
    def <init>(): C = {
      C.super.<init>();
      ()
    };
    override def toString(): String = "C"
  };
  val ret: List[(C, C)] = immutable.this.List.apply[(C, C)](scala.Tuple2.apply[C, C](new C(), new C()));
  ret.asInstanceOf[List[_]]
}
Block(List(ClassDef(Modifiers(), newTypeName("C"), List(), Template(List(Select(Ident(newTermName("scala")), newTypeName("AnyRef"))), emptyValDef, List(DefDef(Modifiers(), newTermName("<init>"), List(), List(List()), TypeTree().setType(C), Block(List(Apply(Select(Super(This(newTypeName("")), newTypeName("")), newTermName("<init>")), List())), Literal(Constant(())))), DefDef(Modifiers(Set(`override`)), newTermName("toString"), List(), List(List()), TypeTree().setType(String), Literal(Constant("C")))))), ValDef(Modifiers(), newTermName("ret"), TypeTree().setType(List[(C, C)]), Apply(TypeApply(Select(Select(This(newTypeName("immutable")), newTermName("List")), newTermName("apply")), List(TypeTree().setType((C, C)))), List(Apply(TypeApply(Select(Select(Ident(newTermName("scala")), newTermName("Tuple2")), newTermName("apply")), List(TypeTree().setType(C), TypeTree().setType(C))), List(ApplyConstructor(Select(New(Ident(newTypeName("C"))), newTermName("<init>")), List()), ApplyConstructor(Select(New(Ident(newTypeName("C"))), newTermName("<init>")), List()))))))), TypeApply(Select(Ident(newTermName("ret")), newTermName("asInstanceOf")), List(TypeTree().setType(List[_]))))
reifee is located at: source-C:\Projects\Kepler\sandbox\Test.scala,line-4,offset=65
prefix = scala.reflect.`package`.mirror
[calculate phase]
boundSym: class C of type <notype>
boundSym: constructor C of type C
boundSym: method toString of type String
boundSym: value ret of type List[(C, C)]
[reshape phase]
TypeTree, non-essential: C (TypeRef)
verdict: discarded
TypeTree, non-essential: String (TypeRef)
verdict: discarded
TypeTree, non-essential: List[(C, C)] (TypeRef)
verdict: discarded
discarding TypeApply: immutable.this.List.apply[(C, C)]
discarding TypeApply: scala.Tuple2.apply[C, C]
TypeTree, essential: List[_] (ExistentialType)
verdict: rolled back to original List[_$1] forSome { 
  <synthetic> type _$1 >: _root_.scala.Nothing <: _root_.scala.Any
}
[metalevels phase]
[interlude]
symbol table = <empty>
reifee = 
{
  class C extends scala.AnyRef {
    def <init>(): C = {
      C.super.<init>();
      ()
    };
    override def toString(): String = "C"
  };
  val ret: List[(C, C)] = immutable.this.List.apply(scala.Tuple2.apply(new C(), new C()));
  ret.asInstanceOf[List[_$1] forSome { 
    <synthetic> type _$1 >: _root_.scala.Nothing <: _root_.scala.Any
  }]
}
Block(List(ClassDef(Modifiers(), newTypeName("C"), List(), Template(List(Select(Ident(newTermName("scala")), newTypeName("AnyRef"))), emptyValDef, List(DefDef(Modifiers(), newTermName("<init>"), List(), List(List()), TypeTree(), Block(List(Apply(Select(Super(This(newTypeName("")), newTypeName("")), newTermName("<init>")), List())), Literal(Constant(())))), DefDef(Modifiers(Set(`override`)), newTermName("toString"), List(), List(List()), TypeTree(), Literal(Constant("C")))))), ValDef(Modifiers(), newTermName("ret"), TypeTree(), Apply(Select(Select(This(newTypeName("immutable")), newTermName("List")), newTermName("apply")), List(Apply(Select(Select(Ident(newTermName("scala")), newTermName("Tuple2")), newTermName("apply")), List(ApplyConstructor(Select(New(Ident(newTypeName("C"))), newTermName("<init>")), List()), ApplyConstructor(Select(New(Ident(newTypeName("C"))), newTermName("<init>")), List()))))))), TypeApply(Select(Ident(newTermName("ret")), newTermName("asInstanceOf")), List(ExistentialTypeTree(AppliedTypeTree(Ident(newTypeName("List")), List(Ident(newTypeName("_$1")))), List(TypeDef(Modifiers(Set(deferred)), newTypeName("_$1"), List(), TypeBoundsTree(Select(Select(Ident(newTermName("_root_")), newTermName("scala")), newTypeName("Nothing")), Select(Select(Ident(newTermName("_root_")), newTermName("scala")), newTypeName("Any")))))))))
[reify phase]
reifying bound type type AnyRef (underlying type is Object, dealiased is Object)
tpe is locatable: reify as Ident(class Object)
This for package immutable, reified as This
macro expansion has failed: java.lang.Error: unexpected: bound type that doesn't have a tpe: Ident(newTypeName("List"))
Test.scala:4: error: exception during macro expansion: 
java.lang.Error: unexpected: bound type that doesn't have a tpe: Ident(newTypeName("List"))
  at scala.reflect.reify.codegen.Trees$class.reifyBoundType$1(Trees.scala:183)
  at scala.reflect.reify.codegen.Trees$class.reifyBoundType(Trees.scala:227)
  at scala.reflect.reify.codegen.Trees$class.reifyTree(Trees.scala:57)
  at scala.reflect.reify.Reifier.reifyTree(Reifier.scala:14)
  at scala.reflect.reify.phases.Reify$$anonfun$reify$1.apply(Reify.scala:52)
  at scala.reflect.reify.phases.Reify$$anonfun$reify$1.apply(Reify.scala:45)
  at scala.reflect.reify.phases.Reify$reifyStack$.push(Reify.scala:34)
  at scala.reflect.reify.phases.Reify$class.reify(Reify.scala:45)
  at scala.reflect.reify.Reifier.reify(Reifier.scala:14)
  at scala.reflect.reify.codegen.Util$$anonfun$reifyProduct$2.apply(Util.scala:26)
  at scala.reflect.reify.codegen.Util$$anonfun$reifyProduct$2.apply(Util.scala:26)
  at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:237)
  at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:237)
  at scala.collection.LinearSeqOptimized$class.foreach(LinearSeqOptimized.scala:59)
  at scala.collection.immutable.List.foreach(List.scala:77)
  at scala.collection.TraversableLike$class.map(TraversableLike.scala:237)
  at scala.collection.AbstractTraversable.map(Traversable.scala:105)
  at scala.reflect.reify.codegen.Util$class.reifyProduct(Util.scala:26)
  at scala.reflect.reify.Reifier.reifyProduct(Reifier.scala:14)
  at scala.reflect.reify.codegen.Util$class.reifyProduct(Util.scala:21)
  at scala.reflect.reify.Reifier.reifyProduct(Reifier.scala:14)
  at scala.reflect.reify.codegen.Trees$class.reifyTree(Trees.scala:87)
  at scala.reflect.reify.Reifier.reifyTree(Reifier.scala:14)
  at scala.reflect.reify.phases.Reify$$anonfun$reify$1.apply(Reify.scala:52)
  at scala.reflect.reify.phases.Reify$$anonfun$reify$1.apply(Reify.scala:45)
  at scala.reflect.reify.phases.Reify$reifyStack$.push(Reify.scala:34)
  at scala.reflect.reify.phases.Reify$class.reify(Reify.scala:45)
  at scala.reflect.reify.Reifier.reify(Reifier.scala:14)
  at scala.reflect.reify.codegen.Util$$anonfun$reifyProduct$2.apply(Util.scala:26)
  at scala.reflect.reify.codegen.Util$$anonfun$reifyProduct$2.apply(Util.scala:26)
  at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:237)
  at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:237)
  at scala.collection.LinearSeqOptimized$class.foreach(LinearSeqOptimized.scala:59)
  at scala.collection.immutable.List.foreach(List.scala:77)
  at scala.collection.TraversableLike$class.map(TraversableLike.scala:237)
  at scala.collection.AbstractTraversable.map(Traversable.scala:105)
  at scala.reflect.reify.codegen.Util$class.reifyProduct(Util.scala:26)
  at scala.reflect.reify.Reifier.reifyProduct(Reifier.scala:14)
  at scala.reflect.reify.codegen.Util$class.reifyProduct(Util.scala:21)
  at scala.reflect.reify.Reifier.reifyProduct(Reifier.scala:14)
  at scala.reflect.reify.codegen.Trees$class.reifyTree(Trees.scala:87)
  at scala.reflect.reify.Reifier.reifyTree(Reifier.scala:14)
  at scala.reflect.reify.phases.Reify$$anonfun$reify$1.apply(Reify.scala:52)
  at scala.reflect.reify.phases.Reify$$anonfun$reify$1.apply(Reify.scala:45)
  at scala.reflect.reify.phases.Reify$reifyStack$.push(Reify.scala:34)
  at scala.reflect.reify.phases.Reify$class.reify(Reify.scala:45)
  at scala.reflect.reify.Reifier.reify(Reifier.scala:14)
  at scala.reflect.reify.codegen.Util$$anonfun$reifyList$1.apply(Util.scala:18)
  at scala.reflect.reify.codegen.Util$$anonfun$reifyList$1.apply(Util.scala:18)
  at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:237)
  at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:237)
  at scala.collection.LinearSeqOptimized$class.foreach(LinearSeqOptimized.scala:59)
  at scala.collection.immutable.List.foreach(List.scala:77)
  at scala.collection.TraversableLike$class.map(TraversableLike.scala:237)
  at scala.collection.AbstractTraversable.map(Traversable.scala:105)
  at scala.reflect.reify.codegen.Util$class.reifyList(Util.scala:18)
  at scala.reflect.reify.Reifier.reifyList(Reifier.scala:14)
  at scala.reflect.reify.phases.Reify$$anonfun$reify$1.apply(Reify.scala:58)
  at scala.reflect.reify.phases.Reify$$anonfun$reify$1.apply(Reify.scala:45)
  at scala.reflect.reify.phases.Reify$reifyStack$.push(Reify.scala:34)
  at scala.reflect.reify.phases.Reify$class.reify(Reify.scala:45)
  at scala.reflect.reify.Reifier.reify(Reifier.scala:14)
  at scala.reflect.reify.codegen.Util$$anonfun$reifyProduct$2.apply(Util.scala:26)
  at scala.reflect.reify.codegen.Util$$anonfun$reifyProduct$2.apply(Util.scala:26)
  at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:237)
  at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:237)
  at scala.collection.LinearSeqOptimized$class.foreach(LinearSeqOptimized.scala:59)
  at scala.collection.immutable.List.foreach(List.scala:77)
  at scala.collection.TraversableLike$class.map(TraversableLike.scala:237)
  at scala.collection.AbstractTraversable.map(Traversable.scala:105)
  at scala.reflect.reify.codegen.Util$class.reifyProduct(Util.scala:26)
  at scala.reflect.reify.Reifier.reifyProduct(Reifier.scala:14)
  at scala.reflect.reify.codegen.Util$class.reifyProduct(Util.scala:21)
  at scala.reflect.reify.Reifier.reifyProduct(Reifier.scala:14)
  at scala.reflect.reify.codegen.Trees$class.reifyTree(Trees.scala:87)
  at scala.reflect.reify.Reifier.reifyTree(Reifier.scala:14)
  at scala.reflect.reify.phases.Reify$$anonfun$reify$1.apply(Reify.scala:52)
  at scala.reflect.reify.phases.Reify$$anonfun$reify$1.apply(Reify.scala:45)
  at scala.reflect.reify.phases.Reify$reifyStack$.push(Reify.scala:34)
  at scala.reflect.reify.phases.Reify$class.reify(Reify.scala:45)
  at scala.reflect.reify.Reifier.reify(Reifier.scala:14)
  at scala.reflect.reify.codegen.Util$$anonfun$reifyProduct$2.apply(Util.scala:26)
  at scala.reflect.reify.codegen.Util$$anonfun$reifyProduct$2.apply(Util.scala:26)
  at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:237)
  at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:237)
  at scala.collection.LinearSeqOptimized$class.foreach(LinearSeqOptimized.scala:59)
  at scala.collection.immutable.List.foreach(List.scala:77)
  at scala.collection.TraversableLike$class.map(TraversableLike.scala:237)
  at scala.collection.AbstractTraversable.map(Traversable.scala:105)
  at scala.reflect.reify.codegen.Util$class.reifyProduct(Util.scala:26)
  at scala.reflect.reify.Reifier.reifyProduct(Reifier.scala:14)
  at scala.reflect.reify.codegen.Util$class.reifyProduct(Util.scala:21)
  at scala.reflect.reify.Reifier.reifyProduct(Reifier.scala:14)
  at scala.reflect.reify.codegen.Trees$class.reifyTree(Trees.scala:87)
  at scala.reflect.reify.Reifier.reifyTree(Reifier.scala:14)
  at scala.reflect.reify.phases.Reify$$anonfun$reify$1.apply(Reify.scala:52)
  at scala.reflect.reify.phases.Reify$$anonfun$reify$1.apply(Reify.scala:45)
  at scala.reflect.reify.phases.Reify$reifyStack$.push(Reify.scala:34)
  at scala.reflect.reify.phases.Reify$class.reify(Reify.scala:45)
  at scala.reflect.reify.Reifier.reify(Reifier.scala:14)
  at scala.reflect.reify.Phases$$anonfun$mkReificationPipeline$1.apply(Phases.scala:38)
  at scala.reflect.reify.Phases$$anonfun$mkReificationPipeline$1.apply(Phases.scala:18)
  at scala.reflect.reify.Reifier.liftedTree1$1(Reifier.scala:61)
  at scala.reflect.reify.Reifier.reified(Reifier.scala:47)
  at scala.reflect.reify.package$.reifyTree(package.scala:26)
  at scala.reflect.makro.runtime.Reifiers$class.reifyTree(Reifiers.scala:18)
  at scala.reflect.makro.runtime.Context.reifyTree(Context.scala:6)
  at scala.reflect.makro.internal.Utils$$anonfun$2.apply(Utils.scala:117)
  at scala.reflect.makro.internal.Utils$$anonfun$2.apply(Utils.scala:117)
  at scala.reflect.makro.internal.Utils.translatingReificationErrors(Utils.scala:123)
  at scala.reflect.makro.internal.Utils.materializeExpr(Utils.scala:117)
  at scala.reflect.api.Universe$.reify(Universe.scala:69)

  reify {
        ^
one error found
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@scabug scabug commented Aug 7, 2012

@xeno-by said:
Promoting to critical, because it affects generation of type tags (which makes this bug a regression w.r.t manifests).

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@scabug scabug commented Aug 8, 2012

@xeno-by said:
The problem here is in toolboxes. Existential types are reified okishly.

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@scabug scabug commented Sep 17, 2012

@xeno-by said:
Related to #6386

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@scabug scabug commented Sep 18, 2012

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@scabug scabug commented Sep 20, 2012

@scabug scabug closed this Sep 20, 2012
@scabug scabug added this to the 2.10.0-M1 milestone Apr 7, 2017
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