--- old/src/share/vm/runtime/globals.hpp	2016-06-10 17:18:56.472949964 +0200
+++ new/src/share/vm/runtime/globals.hpp	2016-06-10 17:18:56.312949960 +0200
@@ -4033,6 +4033,11 @@
   experimental(bool, TrustFinalNonStaticFields, false,                      \
           "trust final non-static declarations for constant folding")       \
                                                                             \
+  diagnostic(bool, CheckFinalFieldModifications, true,                      \
+          "Check that final fields are modified only in initializers. "     \
+          "For compatibility reasons, the check has an effect only "        \
+          "for classfile version >= 51")                                    \
+                                                                            \
   diagnostic(bool, FoldStableValues, true,                                  \
           "Optimize loads from stable fields (marked w/ @Stable)")          \
                                                                             \