--- old/src/java.base/share/classes/java/lang/invoke/MethodType.java	2018-10-12 20:19:00.000000000 -0700
+++ new/src/java.base/share/classes/java/lang/invoke/MethodType.java	2018-10-12 20:18:59.000000000 -0700
@@ -1245,8 +1245,8 @@
         // store them into the implementation-specific final fields.
         checkRtype(rtype);
         checkPtypes(ptypes);
-        UNSAFE.putObject(this, OffsetHolder.rtypeOffset, rtype);
-        UNSAFE.putObject(this, OffsetHolder.ptypesOffset, ptypes);
+        UNSAFE.putReference(this, OffsetHolder.rtypeOffset, rtype);
+        UNSAFE.putReference(this, OffsetHolder.ptypesOffset, ptypes);
     }
 
     // Support for resetting final fields while deserializing. Implement Holder