Revert attempt to limit private types in lubs.

Has to be somewhere more directly tied to structural
refinements.  See run/lub-visibility.scala before/after
output for motivation.  Closes SI-5534.

1 files changed, 8 insertions, 0 deletions

diff --git a/test/files/run/lub-visibility.scala b/test/files/run/lub-visibility.scala
new file mode 100644
index 0000000000..8d5d3ae11a
--- /dev/null
+++ b/test/files/run/lub-visibility.scala
@@ -0,0 +1,8 @@
+import scala.tools.partest.ReplTest
+object Test extends ReplTest {
+  def code = """
+    |// should infer List[scala.collection.immutable.Seq[Nothing]]
+    |// but reverted that for SI-5534.
+    |val x = List(List(), Vector())
+  """.stripMargin
+}