--- a/src/hotspot/share/runtime/mutex.cpp	Tue Nov 19 16:26:58 2019 -0800
+++ b/src/hotspot/share/runtime/mutex.cpp	Wed Nov 20 09:29:23 2019 +0300
@@ -288,8 +288,6 @@
   assert(_safepoint_check_required != _safepoint_check_sometimes || is_sometimes_ok(name),
          "Lock has _safepoint_check_sometimes %s", name);
 
-  assert(_rank > special || _allow_vm_block,
-         "Special locks or below should allow the vm to block");
   assert(_rank > special || _safepoint_check_required == _safepoint_check_never,
          "Special locks or below should never safepoint");
 #endif