# HG changeset patch
# User Doug Simon <doug.simon@oracle.com>
# Date 1337697776 -7200
# Node ID 441cf24df4531e2fd9300b74074c349e3d3d7b92
# Parent  b26a95cf8e3d68242cd1dacd9a660ae72bd56c18
correctly handle null for replacements parameter in  Graph.addDuplicates()

diff -r b26a95cf8e3d -r 441cf24df453 graal/com.oracle.graal.graph/src/com/oracle/graal/graph/Graph.java
--- a/graal/com.oracle.graal.graph/src/com/oracle/graal/graph/Graph.java	Tue May 22 13:30:30 2012 +0200
+++ b/graal/com.oracle.graal.graph/src/com/oracle/graal/graph/Graph.java	Tue May 22 16:42:56 2012 +0200
@@ -509,7 +509,11 @@
      * @param replacements the replacement map (can be null if no replacement is to be performed)
      * @return a map which associates the original nodes from {@code nodes} to their duplicates
      */
+    @SuppressWarnings("all")
     public Map<Node, Node> addDuplicates(Iterable<Node> newNodes, Map<Node, Node> replacements) {
+        if (replacements == null) {
+            replacements = Collections.emptyMap();
+        }
         return NodeClass.addGraphDuplicate(this, newNodes, replacements);
     }
 }