Added the check against UnitClass in freeLocalsTraverser.

Closes SI-5245. Review by odersky.

git-svn-id: http://lampsvn.epfl.ch/svn-repos/scala/scala/trunk@26087 5e8d7ff9-d8ef-0310-90f0-a4852d11357a

src/compiler/scala/tools/nsc/transform/LiftCode.scala

@@ -226,7 +226,7 @@ abstract class LiftCode extends Transform with TypingTransformers {
             val symClass = symTpe.typeSymbol
             atPhase(phase.next) {
               def refType(valueRef: Map[Symbol, Symbol], objectRefClass: Symbol) =
-                if (isValueClass(symClass)) valueRef(symClass).tpe
+                if (isValueClass(symClass) && symClass != UnitClass) valueRef(symClass).tpe
                 else appliedType(objectRefClass.typeConstructor, List(symTpe))
 
               sym updateInfo (

test/files/pos/t5245.scala

@@ -0,0 +1,3 @@
+object Foo {
+  def bar = { var x = (); def foo() = x }
+}