--- old/src/java.base/share/classes/java/lang/System.java	2017-06-20 19:15:48.000000000 -0700
+++ new/src/java.base/share/classes/java/lang/System.java	2017-06-20 19:15:48.000000000 -0700
@@ -56,6 +56,7 @@
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.stream.Stream;
 
+import jdk.internal.loader.BootLoader;
 import jdk.internal.module.ModuleBootstrap;
 import jdk.internal.module.ServicesCatalog;
 import jdk.internal.reflect.CallerSensitive;
@@ -2165,6 +2166,19 @@
             public Stream<ModuleLayer> layers(ClassLoader loader) {
                 return ModuleLayer.layers(loader);
             }
+            public Class<?> loadValueTypeClass(Module module, ClassLoader cl, String name) {
+                try {
+                    // VM support to define DVT
+                    Class<?> c = Class.forName0(name, false, cl, Object.class);
+                    // catch if the given name is not the name of a DVT class
+                    if (!c.isValueClass()) {
+                        throw new InternalError(c.getName() + " not a value type");
+                    }
+                    return c;
+                } catch (ClassNotFoundException e) {
+                    throw new InternalError(e);
+                }
+            }
         });
     }
 }