diff -r 63a5ea2cdd0d -r 016b77c3734a src/hotspot/share/runtime/globals.hpp
--- a/src/hotspot/share/runtime/globals.hpp	Mon Apr 23 12:53:43 2018 +0200
+++ b/src/hotspot/share/runtime/globals.hpp	Thu Apr 26 17:59:02 2018 +0200
@@ -2997,6 +2997,8 @@
   diagnostic(bool, ShowRegistersOnAssert, false,                            \
           "On internal errors, include registers in error report.")         \
                                                                             \
+  experimental(bool, UseSwitchProfiling, true,                              \
+          "leverage profiling for table/lookup switch")                     \
 
 #define VM_FLAGS(develop,                                                   \
                  develop_pd,                                                \