diff -r 0152ad7b38b8 -r 6df94ce3ab2f src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/graphbuilderconf/InvocationPlugins.java
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/graphbuilderconf/InvocationPlugins.java	Tue Sep 24 08:54:08 2019 -0700
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/graphbuilderconf/InvocationPlugins.java	Tue Sep 24 12:47:15 2019 -0400
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -702,8 +702,10 @@
                 }
                 if (res != null) {
                     // A decorator plugin is trusted since it does not replace
-                    // the method it intrinsifies.
-                    if (res.isDecorator() || canBeIntrinsified(declaringClass)) {
+                    // the method it intrinsifies. A GeneratedInvocationPlugin
+                    // is trusted since it only exists for @NodeIntrinsics and
+                    // @Fold annotated methods (i.e., trusted Graal code).
+                    if (res.isDecorator() || res instanceof GeneratedInvocationPlugin || canBeIntrinsified(declaringClass)) {
                         return res;
                     }
                 }