# HG changeset patch
# User Doug Simon <doug.simon@oracle.com>
# Date 1334925934 -7200
# Node ID 6cd293b125ea715b6c1acac675f3f76cada5b1ab
# Parent  4e4a868c2b2ae20dcecf5ecd64a8a3900df2b320
added assertion to prevent @Data being applied to a field of type Node

diff -r 4e4a868c2b2a -r 6cd293b125ea graal/com.oracle.graal.graph/src/com/oracle/graal/graph/NodeClass.java
--- a/graal/com.oracle.graal.graph/src/com/oracle/graal/graph/NodeClass.java	Fri Apr 20 14:14:42 2012 +0200
+++ b/graal/com.oracle.graal.graph/src/com/oracle/graal/graph/NodeClass.java	Fri Apr 20 14:45:34 2012 +0200
@@ -274,6 +274,7 @@
                             }
                             successorNamesMap.put(offset, name);
                         } else if (field.isAnnotationPresent(Node.Data.class)) {
+                            assert !Node.class.isAssignableFrom(field.getType()) : "cannot have a node as data: " + currentClazz;
                             dataOffsets.add(offset);
                             dataTypes.add(type);
                             dataNames.add(name);