# HG changeset patch
# User Gilles Duboscq <gilles.duboscq@oracle.com>
# Date 1304068566 -7200
# Node ID 46eab5817cc22c96e9024a84ac610495fdccfa11
# Parent  98eef19a381c4eaaa034884d246fdd1022fee1ba
Modified assert in NodeArray.set method (also helps with a compilation issue in ECJ)

diff -r 98eef19a381c -r 46eab5817cc2 graal/GraalGraph/src/com/oracle/graal/graph/Node.java
--- a/graal/GraalGraph/src/com/oracle/graal/graph/Node.java	Thu Apr 28 18:58:35 2011 +0200
+++ b/graal/GraalGraph/src/com/oracle/graal/graph/Node.java	Fri Apr 29 11:16:06 2011 +0200
@@ -139,6 +139,11 @@
         return 0;
     }
 
+    @Override
+    public String toString() {
+        return this.getClass().getSimpleName() + "-" + this.id();
+    }
+
     public class NodeArray extends AbstractList<Node> {
 
         private final Node[] nodes;
@@ -156,7 +161,7 @@
         }
 
         public Node set(int index, Node node) {
-            assert node.graph == self().graph;
+            assert node == Null || node.graph == self().graph;
             Node old = nodes[index];
 
             if (old != node) {
diff -r 98eef19a381c -r 46eab5817cc2 graal/GraalGraph/test/com/oracle/graal/graph/NodeTest.java
--- a/graal/GraalGraph/test/com/oracle/graal/graph/NodeTest.java	Thu Apr 28 18:58:35 2011 +0200
+++ b/graal/GraalGraph/test/com/oracle/graal/graph/NodeTest.java	Fri Apr 29 11:16:06 2011 +0200
@@ -58,6 +58,7 @@
 
         assertFalse(o3.inputs().contains(o2));
         assertTrue(o3.inputs().contains(o4));
+        assertTrue(o4.usages().contains(o3));
     }
 
     private static class DummyNode extends Node {