--- old/src/hotspot/cpu/x86/assembler_x86.hpp	2018-05-16 09:39:19.525427481 +0200
+++ new/src/hotspot/cpu/x86/assembler_x86.hpp	2018-05-16 09:39:13.405445242 +0200
@@ -1536,6 +1536,8 @@
   void orl(Register dst, Register src);
   void orl(Address dst, Register src);
 
+  void orb(Address dst, int imm8);
+
   void orq(Address dst, int32_t imm32);
   void orq(Register dst, int32_t imm32);
   void orq(Register dst, Address src);