1 files changed, 13 insertions, 0 deletions
diff --git a/tests/run/infiniteloop.scala b/tests/run/infiniteloop.scala
new file mode 100644
index 000000000..2668d5b00
--- /dev/null
+++ b/tests/run/infiniteloop.scala
@@ -0,0 +1,13 @@
+/** Tests the optimiser (not to loop on 'reverse'). */
+
+object Test extends dotty.runtime.LegacyApp {
+  def foo: Unit = {
+    val s3 = Stream.range(1, 1000) //100000 (ticket #153: Stackoverflow)
+
+    // ticket #153
+    def powers(x: Int) = if ((x&(x-1)) == 0) Some(x) else None
+    println(s3.flatMap(powers).reverse)
+  }
+
+  foo
+}