Merge pull request #3318 from dotty-staging/fix-#3302

Fix #3302: Handle case of private top-level objects

Author: allanrenucci

compiler/src/dotty/tools/dotc/transform/ExpandPrivate.scala

@@ -75,7 +75,7 @@ class ExpandPrivate extends MiniPhaseTransform with IdentityDenotTransformer { t
   private def ensurePrivateAccessible(d: SymDenotation)(implicit ctx: Context) =
     if (isVCPrivateParamAccessor(d))
       d.ensureNotPrivate.installAfter(thisTransform)
-    else if (d.is(PrivateTerm) && d.owner != ctx.owner.enclosingClass) {
+    else if (d.is(PrivateTerm) && !d.owner.is(Package) && d.owner != ctx.owner.enclosingClass) {
       // Paths `p1` and `p2` are similar if they have a common suffix that follows
       // possibly different directory paths. That is, their common suffix extends
       // in both cases either to the start of the path or to a file separator character.

tests/pos/i3302/A.scala

@@ -0,0 +1,3 @@
+package test
+//case class A(x: Int)
+private object A { def apply(x: Int) = () }

tests/pos/i3302/B.scala

@@ -0,0 +1,4 @@
+package test
+object B {
+  A(0)
+}