Revert "Revert "Optimize code generation of check-cast and instance-of.""

This reverts commit 7537437c6a2f89249a48e30effcc27d4e7c5a04f.

Change-Id: If759cb08646e47b62829bebc3c5b1e2f2969cf84
diff --git a/test/530-instanceof-checkcast/info.txt b/test/530-instanceof-checkcast/info.txt
new file mode 100644
index 0000000..51f68cc
--- /dev/null
+++ b/test/530-instanceof-checkcast/info.txt
@@ -0,0 +1 @@
+Tests compiler optimizations on instanceof and checkcast.