Regression test for failing ScalaJS

tests/run/recursive-with-option.scala

@@ -0,0 +1,18 @@
+//> using options -opt-inline:**
+
+// Regression test for an optimizer bug originally found while compiling ScalaJS
+
+object Test {
+  def foo(b: Option[Int]): Unit =
+    fooRec(x = 0, b)
+
+  private def fooRec(x: Int, b: Option[Int]): Unit = {
+    if (b.nonEmpty) {
+      fooRec(x + 1, b)
+    }
+  }
+
+  def main(args: Array[String]): Unit = {
+    foo(None)
+  }
+}