--- old/src/hotspot/cpu/x86/templateTable_x86.hpp	2019-11-26 18:34:51.000000000 -0500
+++ new/src/hotspot/cpu/x86/templateTable_x86.hpp	2019-11-26 18:34:50.000000000 -0500
@@ -41,7 +41,7 @@
 
   static void putfield_or_static_helper(int byte_no, bool is_static, RewriteControl rc,
                                         Register obj, Register off, Register flags, Register flags2);
-  static void fast_storefield_helper(Address field, Register rax);
+  static void fast_storefield_helper(Address field, Register obj, Register flags);
 
   static void invoke_is_substitutable(Register aobj, Register bobj, Label& is_subst, Label& not_subst);