SI-4625 Warn when discarding script object

It's pretty confusing when your script object becomes a local
and then nothing happens. Such as when you're writing a test and
it takes forever to figure out what's going on.

1 files changed, 6 insertions, 0 deletions

diff --git a/test/files/run/t4625c.script b/test/files/run/t4625c.script
new file mode 100644
index 0000000000..fa14f43950
--- /dev/null
+++ b/test/files/run/t4625c.script
@@ -0,0 +1,6 @@
+
+val x = "value x"
+
+object Main extends App {
+  println(s"Test ran with $x.")
+}