Figured out the "$class$1" problem.

In lambda lift traits are renamed independently of their
implementation classes, leading in the case of a method-defined
trait to an interface called A$1 and an impl class called A$class$1
rather than A$1$class.  This is now remedied.

1 files changed, 4 insertions, 1 deletions

diff --git a/src/compiler/scala/reflect/internal/Symbols.scala b/src/compiler/scala/reflect/internal/Symbols.scala
index 0e729bc7ea..a943b6fe24 100644
--- a/src/compiler/scala/reflect/internal/Symbols.scala
+++ b/src/compiler/scala/reflect/internal/Symbols.scala
@@ -1425,7 +1425,10 @@ trait Symbols extends api.Symbols { self: SymbolTable =>
      */
     def sourceModule: Symbol = NoSymbol
 
-    /** The implementation class of a trait. */
+    /** The implementation class of a trait.  If available it will be the
+     *  symbol with the same owner, and the name of this symbol with $class
+     *  appended to it.
+     */
     final def implClass: Symbol = owner.info.decl(nme.implClassName(name))
 
     /** The class that is logically an outer class of given `clazz`.