In r22807 an optimization was added to remove B...

In r22807 an optimization was added to remove Box(Unbox(x))
combinations. It turns out that without this in place, an expression
like "x".asInstanceOf[Int] will no longer throw an exception. Refined
the optimization. Closes #4148, review by dragos.

1 files changed, 9 insertions, 0 deletions

diff --git a/test/files/run/bug4148.scala b/test/files/run/bug4148.scala
new file mode 100644
index 0000000000..a7d181268d
--- /dev/null
+++ b/test/files/run/bug4148.scala
@@ -0,0 +1,9 @@
+object Test {
+  val x1 = try { "aaa".asInstanceOf[Int] } catch { case _ => "cce1" }
+  val x2 = try { (5: Any).asInstanceOf[Int] } catch { case _ => "cce2" }
+  val x3 = try { (new java.lang.Short(100.toShort).asInstanceOf[Int]) } catch { case _ => "cce3" }
+
+  def main(args: Array[String]): Unit = {
+    List(x1, x2, x3) foreach println
+  }
+}