--- old/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/HotSpotBackend.java	2017-11-03 23:56:35.761968988 -0700
+++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/HotSpotBackend.java	2017-11-03 23:56:35.436954444 -0700
@@ -266,6 +266,8 @@
         unsafeArraycopyStub(HotSpotBackend.UNSAFE_ARRAYCOPY, srcAddr, dstAddr, size);
     }
 
+    public static final ForeignCallDescriptor GENERIC_ARRAYCOPY = new ForeignCallDescriptor("generic_arraycopy", int.class, Word.class, int.class, Word.class, int.class, int.class);
+
     @NodeIntrinsic(ForeignCallNode.class)
     private static native void unsafeArraycopyStub(@ConstantNodeParameter ForeignCallDescriptor descriptor, Word srcAddr, Word dstAddr, Word size);