--- a/src/hotspot/cpu/x86/assembler_x86.cpp	Wed Oct 03 11:43:39 2018 +0530
+++ b/src/hotspot/cpu/x86/assembler_x86.cpp	Wed Oct 03 03:41:57 2018 -0400
@@ -972,7 +972,6 @@
     return ip;
 
   case 0xF0:                    // Lock
-    assert(os::is_MP(), "only on MP");
     goto again_after_prefix;
 
   case 0xF3:                    // For SSE