# HG changeset patch
# User Christian Wimmer <christian.wimmer@oracle.com>
# Date 1350083376 25200
# Node ID 4ecd2f236bd8cddfc7539c4a4dede228b5ccfd0f
# Parent  65f09f190be142d1253ad0cdaf838005ccdfa4b4
Add assertion to prevent use of wrong factory method

diff -r 65f09f190be1 -r 4ecd2f236bd8 graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/ConstantNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/ConstantNode.java	Thu Oct 11 15:38:10 2012 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/ConstantNode.java	Fri Oct 12 16:09:36 2012 -0700
@@ -171,6 +171,7 @@
      * @return a node representing the object
      */
     public static ConstantNode forObject(Object o, MetaAccessProvider runtime, Graph graph) {
+        assert !(o instanceof Constant) : "wrapping a Constant into a Constant";
         return graph.unique(new ConstantNode(Constant.forObject(o), runtime));
     }