Aladdin - Scala Bugtracking
[#1167] project: compiler priority: low category: bug
submitter assigned to status date submitted
Sean Martin fixed 2007-06-04 12:20:43.0
subject back quoted pattern variable reference crash
code 
package test;
trait Foo {
  val x : Option[String]
  (x,x) match {
  case (Some(y),Some(`y`)) => 
  }
}
what happened 
java.lang.Error: no-symbol does not have owner
	at scala.tools.nsc.symtab.Symbols$NoSymbol$.owner(Symbols.scala:1340)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.outer(LambdaLift.scala:75)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.scala$tools$nsc$transform$LambdaLift$LambdaLifter$$enclMet\
hOrClass(LambdaLift.scala:106)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.scala$tools$nsc$transform$LambdaLift$LambdaLifter$$markFre\
e(LambdaLift.scala:144)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter$$anon$1.traverse(LambdaLift.scala:210)
	at scala.tools.nsc.ast.Trees$Traverser$$anonfun$46.apply(Trees.scala:1445)
	at scala.tools.nsc.ast.Trees$Traverser$$anonfun$46.apply(Trees.scala:1445)
	at scala.List.foreach(List.scala:699)
	at scala.tools.nsc.ast.Trees$Traverser.traverseTrees(Trees.scala:1445)
	at scala.tools.nsc.ast.Trees$Traverser.traverse(Trees.scala:1417)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter$$anon$1.traverse(LambdaLift.scala:221)
	at scala.tools.nsc.ast.Trees$Traverser.traverse(Trees.scala:1425)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter$$anon$1.traverse(LambdaLift.scala:221)
	at scala.tools.nsc.ast.Trees$Traverser.traverse(Trees.scala:1417)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter$$anon$1.traverse(LambdaLift.scala:221)
	at scala.tools.nsc.ast.Trees$Traverser$$anonfun$46.apply(Trees.scala:1445)
	at scala.tools.nsc.ast.Trees$Traverser$$anonfun$46.apply(Trees.scala:1445)
	at scala.List.foreach(List.scala:699)
	at scala.tools.nsc.ast.Trees$Traverser.traverseTrees(Trees.scala:1445)
	at scala.tools.nsc.ast.Trees$Traverser.traverse(Trees.scala:1417)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter$$anon$1.traverse(LambdaLift.scala:221)
	at scala.tools.nsc.ast.Trees$Traverser$$anonfun$46.apply(Trees.scala:1445)
	at scala.tools.nsc.ast.Trees$Traverser$$anonfun$46.apply(Trees.scala:1445)
	at scala.List.foreach(List.scala:699)
	at scala.tools.nsc.ast.Trees$Traverser.traverseTrees(Trees.scala:1445)
	at scala.tools.nsc.ast.Trees$Traverser.traverse(Trees.scala:1417)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter$$anon$1.traverse(LambdaLift.scala:221)
	at scala.tools.nsc.ast.Trees$Traverser.traverse(Trees.scala:1379)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter$$anon$1.traverse(LambdaLift.scala:221)
	at scala.tools.nsc.ast.Trees$Traverser$$anonfun$46.apply(Trees.scala:1445)
	at scala.tools.nsc.ast.Trees$Traverser$$anonfun$46.apply(Trees.scala:1445)
	at scala.List.foreach(List.scala:699)
	at scala.tools.nsc.ast.Trees$Traverser.traverseTrees(Trees.scala:1445)
	at scala.tools.nsc.ast.Trees$Traverser.traverse(Trees.scala:1417)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter$$anon$1.traverse(LambdaLift.scala:221)
	at scala.tools.nsc.ast.Trees$Traverser$$anonfun$46.apply(Trees.scala:1445)
	at scala.tools.nsc.ast.Trees$Traverser$$anonfun$46.apply(Trees.scala:1445)
	at scala.List.foreach(List.scala:699)
	at scala.tools.nsc.ast.Trees$Traverser.traverseTrees(Trees.scala:1445)
	at scala.tools.nsc.ast.Trees$Traverser.traverse(Trees.scala:1379)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter$$anon$1.traverse(LambdaLift.scala:221)
	at scala.tools.nsc.ast.Trees$Traverser$$anonfun$48$$anonfun$49.apply(Trees.scala:1450)
	at scala.tools.nsc.ast.Trees$Traverser$$anonfun$48$$anonfun$49.apply(Trees.scala:1450)
	at scala.tools.nsc.ast.Trees$Traverser.atOwner(Trees.scala:1457)
	at scala.tools.nsc.ast.Trees$Traverser$$anonfun$48.apply(Trees.scala:1450)
	at scala.tools.nsc.ast.Trees$Traverser$$anonfun$48.apply(Trees.scala:1449)
	at scala.List.foreach(List.scala:699)
	at scala.tools.nsc.ast.Trees$Traverser.traverseStats(Trees.scala:1449)
	at scala.tools.nsc.ast.Trees$Traverser.traverse(Trees.scala:1377)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter$$anon$1.traverse(LambdaLift.scala:221)
	at scala.tools.nsc.ast.Trees$Traverser$$anonfun$39.apply(Trees.scala:1342)
	at scala.tools.nsc.ast.Trees$Traverser$$anonfun$39.apply(Trees.scala:1341)
	at scala.tools.nsc.ast.Trees$Traverser.atOwner(Trees.scala:1457)
	at scala.tools.nsc.ast.Trees$Traverser.traverse(Trees.scala:1341)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter$$anon$1.traverse(LambdaLift.scala:221)
	at scala.tools.nsc.ast.Trees$Traverser$$anonfun$46.apply(Trees.scala:1445)
	at scala.tools.nsc.ast.Trees$Traverser$$anonfun$46.apply(Trees.scala:1445)
	at scala.List.foreach(List.scala:699)
	at scala.tools.nsc.ast.Trees$Traverser.traverseTrees(Trees.scala:1445)
	at scala.tools.nsc.ast.Trees$Traverser$$anonfun$38.apply(Trees.scala:1338)
	at scala.tools.nsc.ast.Trees$Traverser$$anonfun$38.apply(Trees.scala:1338)
	at scala.tools.nsc.ast.Trees$Traverser.atOwner(Trees.scala:1457)
	at scala.tools.nsc.ast.Trees$Traverser.traverse(Trees.scala:1337)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter$$anon$1.traverse(LambdaLift.scala:221)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.computeFreeVars(LambdaLift.scala:236)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.transformUnit(LambdaLift.scala:415)
	at scala.tools.nsc.transform.Transform$Phase.apply(Transform.scala:30)
	at scala.tools.nsc.Global$GlobalPhase.applyPhase(Global.scala:241)
	at scala.tools.nsc.Global$GlobalPhase$$anonfun$2.apply(Global.scala:230)
	at scala.tools.nsc.Global$GlobalPhase$$anonfun$2.apply(Global.scala:230)
	at scala.Iterator$class.foreach(Iterator.scala:369)
	at scala.collection.mutable.ListBuffer$$anon$0.foreach(ListBuffer.scala:245)
	at scala.tools.nsc.Global$GlobalPhase.run(Global.scala:230)
	at scala.tools.nsc.Global$Run.compileSources(Global.scala:498)
	at scala.tools.nsc.Global$Run.compile(Global.scala:572)
	at ch.epfl.lamp.sdt.build.ScalaCompilerManager$ScalaCompiler.compile(ScalaCompilerManager.java:267)
	at ch.epfl.lamp.sdt.build.ScalaProjectBuilder.build(ScalaProjectBuilder.java:153)
	at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:624)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:166)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:197)
	at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:246)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:249)
	at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:302)
	at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:334)
	at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:137)
	at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:235)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
what expected
[back to overview]
Changes of this bug report
Martin  edited on  2007-07-14 19:24:04.0