All this time with Nil only claiming to be equa...

All this time with Nil only claiming to be equal to immutable.Seqs, how
is it possible? Closes #3923, no review.

1 files changed, 8 insertions, 0 deletions

diff --git a/test/files/run/bug3923.scala b/test/files/run/bug3923.scala
new file mode 100644
index 0000000000..484095a607
--- /dev/null
+++ b/test/files/run/bug3923.scala
@@ -0,0 +1,8 @@
+object Test {
+  def main(args: Array[String]): Unit = {
+    assert(collection.mutable.ArraySeq() == Nil)
+    assert(collection.mutable.ArraySeq() == Seq())
+    assert(Seq() == collection.mutable.ArraySeq())
+    assert(Nil == collection.mutable.ArraySeq())
+  }
+}