--- old/src/hotspot/share/gc/shared/c1/barrierSetC1.hpp	2019-03-11 14:25:51.482355358 +0100
+++ new/src/hotspot/share/gc/shared/c1/barrierSetC1.hpp	2019-03-11 14:25:51.282355361 +0100
@@ -100,7 +100,7 @@
   BasicType type() const                 { return _type; }
   LIR_Opr resolved_addr() const          { return _resolved_addr; }
   void set_resolved_addr(LIR_Opr addr)   { _resolved_addr = addr; }
-  bool is_oop() const                    { return _type == T_ARRAY || _type == T_OBJECT; }
+  bool is_oop() const                  { return _type == T_ARRAY || _type == T_OBJECT || _type == T_VALUETYPE; }
   DecoratorSet decorators() const        { return _decorators; }
   void clear_decorators(DecoratorSet ds) { _decorators &= ~ds; }
   bool is_raw() const                    { return (_decorators & AS_RAW) != 0; }