Handle shadowed refs under new scheme

Author: odersky

compiler/src/dotty/tools/dotc/typer/TypeAssigner.scala

@@ -187,8 +187,11 @@ trait TypeAssigner {
           // it could be that we found an inaccessible private member, but there is
           // an inherited non-private member with the same name and signature.
           val d2 = pre.nonPrivateMember(name)
-          if (reallyExists(d2) && firstTry && !config.Config.newScheme)
-            test(tpe.withNameSpaceOLD(noNameSpace).withDenot(d2), false)
+          if (reallyExists(d2) && firstTry)
+            test(
+              if (config.Config.newScheme) TermRef.withDenot(pre, d2)
+              else tpe.withNameSpaceOLD(noNameSpace).withDenot(d2),
+              false)
           else if (pre.derivesFrom(defn.DynamicClass)) {
             TryDynamicCallType
           } else {