--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/GuardProxyNode.java	Tue Apr 22 18:32:08 2014 -0700
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/GuardProxyNode.java	Wed Apr 23 10:26:18 2014 +0200
@@ -28,7 +28,7 @@
 import com.oracle.graal.nodes.spi.*;
 
 @NodeInfo(allowedUsageTypes = {InputType.Guard})
-public class GuardProxyNode extends ProxyNode implements GuardingNode, Proxy {
+public class GuardProxyNode extends ProxyNode implements GuardingNode, Proxy, LIRLowerable {
 
     @Input(InputType.Guard) private GuardingNode value;
 
@@ -38,6 +38,10 @@
     }
 
     @Override
+    public void generate(NodeLIRBuilderTool generator) {
+    }
+
+    @Override
     public ValueNode value() {
         return value.asNode();
     }