1 files changed, 7 insertions, 0 deletions
diff --git a/tests/neg/i1793.scala b/tests/neg/i1793.scala
new file mode 100644
index 000000000..ea6d3bcb7
--- /dev/null
+++ b/tests/neg/i1793.scala
@@ -0,0 +1,7 @@
+object Test {
+  import scala.ref.WeakReference
+  def unapply[T <: AnyVal](wr: WeakReference[T]): Option[T] = {
+    val x = wr.underlying.get
+    if (x != null) Some(x) else None // error
+  }
+}