Fix enumeration of all members of the class

used a wrong member function inside,
led to errors similar to:

 java.lang.ClassFormatError: Duplicate method name&signature in class file dotty/tools/dotc/core/Types$WildcardType

Author: DarkDimius

src/dotty/tools/backend/jvm/DottyBackendInterface.scala

@@ -784,7 +784,7 @@ class DottyBackendInterface()(implicit ctx: Context) extends BackendInterface{
     def decls: List[Symbol] = tp.decls.map(_.symbol).toList
 
     def members: List[Symbol] =
-      tp.memberDenots(takeAllFilter, (name, buf) => buf ++= member(name).alternatives).map(_.symbol).toList
+      tp.memberDenots(takeAllFilter, (name, buf) => buf ++= tp.member(name).alternatives).map(_.symbol).toList
 
     def typeSymbol: Symbol = tp.widenDealias.typeSymbol