--- old/src/hotspot/share/prims/jvmtiImpl.cpp	2019-03-11 14:27:05.242354338 +0100
+++ new/src/hotspot/share/prims/jvmtiImpl.cpp	2019-03-11 14:27:05.034354341 +0100
@@ -672,6 +672,7 @@
     slot_type = T_INT;
     break;
   case T_ARRAY:
+  case T_VALUETYPE:
     slot_type = T_OBJECT;
     break;
   default: