--- old/src/hotspot/share/gc/shenandoah/shenandoahConcurrentMark.cpp	2020-04-04 02:23:17.048346491 +0200
+++ new/src/hotspot/share/gc/shenandoah/shenandoahConcurrentMark.cpp	2020-04-04 02:23:16.940347489 +0200
@@ -261,7 +261,7 @@
         MarkingCodeBlobClosure blobsCl(&mark_cl, !CodeBlobToOopClosure::FixRelocations);
         ShenandoahSATBAndRemarkCodeRootsThreadsClosure tc(&cl,
                                                           ShenandoahStoreValEnqueueBarrier ? &mark_cl : NULL,
-                                                          &blobsCl);
+                                                          do_nmethods ? &blobsCl : NULL);
         Threads::threads_do(&tc);
       }
     }