--- old/src/hotspot/share/oops/cpCache.cpp	2018-02-15 15:33:22.000000000 -0500
+++ new/src/hotspot/share/oops/cpCache.cpp	2018-02-15 15:33:21.000000000 -0500
@@ -130,6 +130,7 @@
                                        bool is_final,
                                        bool is_volatile,
                                        bool is_flatten,
+                                       bool is_flattenable,
                                        Klass* root_klass) {
   set_f1(field_holder);
   set_f2(field_offset);
@@ -138,7 +139,8 @@
   set_field_flags(field_type,
                   ((is_volatile ? 1 : 0) << is_volatile_shift) |
                   ((is_final    ? 1 : 0) << is_final_shift) |
-                  ((is_flatten  ? 1 : 0) << is_flatten_field),
+                  ((is_flatten  ? 1 : 0) << is_flatten_field) |
+                  ((is_flattenable ? 1 : 0) << is_flattenable_field),
                   field_index);
   set_bytecode_1(get_code);
   set_bytecode_2(put_code);