Fix crash when accessing invalid fields on objects which don't have prototypes

diff --git a/lib/config/vmops.hpp b/lib/config/vmops.hpp
index 184da244b84493136827ac5e92e7de6bfb987298..48d0f5b48016252192d9748b063a39c8b51afd69 100644 (file)
--- a/lib/config/vmops.hpp
+++ b/lib/config/vmops.hpp
@@ -193,7 +193,7 @@ public:
                do {
                        Object::Ptr object = type->GetPrototype();
 
-                       if (HasField(object, field))
+                       if (object && HasField(object, field))
                                return GetField(object, field, debugInfo);
 
                        type = type->GetBaseType();