Misoptimization for list extractors caused non-...

Misoptimization for list extractors caused non-sequences to incorrectly
match. Closes #3050, #2800. No review.

1 files changed, 9 insertions, 0 deletions

diff --git a/test/files/run/bug3050.scala b/test/files/run/bug3050.scala
new file mode 100644
index 0000000000..aaec99ec14
--- /dev/null
+++ b/test/files/run/bug3050.scala
@@ -0,0 +1,9 @@
+object Test {
+  def main(args: Array[String]): Unit = {
+    val x =
+      try { ("": Any) match { case List(_*) => true } }
+      catch { case _ => false }
+
+    assert(x == false)
+  }
+}