diff -r 5431282d8ce1 -r 0fc9cc73ce45 hotspot/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.replacements/src/org/graalvm/compiler/replacements/StandardGraphBuilderPlugins.java
--- a/hotspot/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.replacements/src/org/graalvm/compiler/replacements/StandardGraphBuilderPlugins.java	Tue Jun 06 13:31:34 2017 -0400
+++ b/hotspot/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.replacements/src/org/graalvm/compiler/replacements/StandardGraphBuilderPlugins.java	Mon Jun 05 15:52:09 2017 -0700
@@ -251,7 +251,13 @@
 
         for (JavaKind kind : new JavaKind[]{JavaKind.Int, JavaKind.Long, JavaKind.Object}) {
             Class<?> javaClass = kind == JavaKind.Object ? Object.class : kind.toJavaClass();
-            r.register5("compareAndSwap" + kind.name(), Receiver.class, Object.class, long.class, javaClass, javaClass, new InvocationPlugin() {
+            String casName;
+            if (Java8OrEarlier) {
+                casName = "compareAndSwap";
+            } else {
+                casName = "compareAndSet";
+            }
+            r.register5(casName + kind.name(), Receiver.class, Object.class, long.class, javaClass, javaClass, new InvocationPlugin() {
                 @Override
                 public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver unsafe, ValueNode object, ValueNode offset, ValueNode expected, ValueNode x) {
                     // Emits a null-check for the otherwise unused receiver