polymorphic value classes

dropping boxing code, which turned out to be a dead end.

1 files changed, 6 insertions, 4 deletions

diff --git a/src/reflect/scala/reflect/internal/Symbols.scala b/src/reflect/scala/reflect/internal/Symbols.scala
index 77c27126c5..94be7848bf 100644
--- a/src/reflect/scala/reflect/internal/Symbols.scala
+++ b/src/reflect/scala/reflect/internal/Symbols.scala
@@ -2239,10 +2239,10 @@ trait Symbols extends api.Symbols { self: SymbolTable =>
       base.info.decl(sname) filter (_.hasAccessorFlag)
     }
 
-    /** Return the accessor method of the first parameter of this class.
+    /** If this is a derived value class, return its unbox method
      *  or NoSymbol if it does not exist.
      */
-    def firstParamAccessor: Symbol = NoSymbol
+    def derivedValueClassUnbox: Symbol = NoSymbol
 
      /** The case module corresponding to this case class
      *  @pre case class is a member of some other class or package
@@ -3146,8 +3146,10 @@ trait Symbols extends api.Symbols { self: SymbolTable =>
       clone
     }
 
-    override def firstParamAccessor =
-      info.decls.find(_ hasAllFlags PARAMACCESSOR | METHOD) getOrElse NoSymbol
+    override def derivedValueClassUnbox =
+      (info.decl(nme.unbox)) orElse
+      (info.decls.find(_ hasAllFlags PARAMACCESSOR | METHOD) getOrElse
+       NoSymbol)
 
     private[this] var childSet: Set[Symbol] = Set()
     override def children = childSet