--- a/src/hotspot/cpu/x86/interp_masm_x86.cpp	Fri Jun 15 11:58:34 2018 +0530
+++ b/src/hotspot/cpu/x86/interp_masm_x86.cpp	Mon Jun 11 15:28:24 2018 +0200
@@ -1432,10 +1432,10 @@
 void InterpreterMacroAssembler::set_mdp_flag_at(Register mdp_in,
                                                 int flag_byte_constant) {
   assert(ProfileInterpreter, "must be profiling interpreter");
-  int header_offset = in_bytes(DataLayout::header_offset());
-  int header_bits = DataLayout::flag_mask_to_header_mask(flag_byte_constant);
+  int header_offset = in_bytes(DataLayout::flags_offset());
+  int header_bits = flag_byte_constant;
   // Set the flag
-  orl(Address(mdp_in, header_offset), header_bits);
+  orb(Address(mdp_in, header_offset), header_bits);
 }