--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/graphbuilderconf/InvocationPlugins.java	Thu May 31 10:14:41 2018 -0700
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/graphbuilderconf/InvocationPlugins.java	Thu May 31 10:38:05 2018 -0700
@@ -679,7 +679,9 @@
                     }
                 }
                 if (res != null) {
-                    if (canBeIntrinsified(declaringClass)) {
+                    // A decorator plugin is trusted since it does not replace
+                    // the method it intrinsifies.
+                    if (res.isDecorator() || canBeIntrinsified(declaringClass)) {
                         return res;
                     }
                 }