# HG changeset patch
# User Roland Schatz <roland.schatz@oracle.com>
# Date 1412763334 -7200
# Node ID 84f9c2baab1d6cdaf2641d36d8eb45d459c1cd0e
# Parent  4ab45518048beef11e52a2694fe9abb575d7f5c4
Relax type signature in Graph.addDuplicates method.

diff -r 4ab45518048b -r 84f9c2baab1d 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	Wed Oct 08 11:51:56 2014 +0200
+++ b/graal/com.oracle.graal.graph/src/com/oracle/graal/graph/Graph.java	Wed Oct 08 12:15:34 2014 +0200
@@ -815,7 +815,7 @@
      * @param replacementsMap 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
      */
-    public Map<Node, Node> addDuplicates(Iterable<Node> newNodes, final Graph oldGraph, int estimatedNodeCount, Map<Node, Node> replacementsMap) {
+    public Map<Node, Node> addDuplicates(Iterable<? extends Node> newNodes, final Graph oldGraph, int estimatedNodeCount, Map<Node, Node> replacementsMap) {
         DuplicationReplacement replacements;
         if (replacementsMap == null) {
             replacements = null;
@@ -849,7 +849,7 @@
     private static final DebugTimer DuplicateGraph = Debug.timer("DuplicateGraph");
 
     @SuppressWarnings("all")
-    public Map<Node, Node> addDuplicates(Iterable<Node> newNodes, final Graph oldGraph, int estimatedNodeCount, DuplicationReplacement replacements) {
+    public Map<Node, Node> addDuplicates(Iterable<? extends Node> newNodes, final Graph oldGraph, int estimatedNodeCount, DuplicationReplacement replacements) {
         try (TimerCloseable s = DuplicateGraph.start()) {
             return NodeClass.addGraphDuplicate(this, oldGraph, estimatedNodeCount, newNodes, replacements);
         }
diff -r 4ab45518048b -r 84f9c2baab1d 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	Wed Oct 08 11:51:56 2014 +0200
+++ b/graal/com.oracle.graal.graph/src/com/oracle/graal/graph/NodeClass.java	Wed Oct 08 12:15:34 2014 +0200
@@ -726,7 +726,7 @@
         Node replacement(Node node, Edges.Type type);
     }
 
-    static Map<Node, Node> addGraphDuplicate(final Graph graph, final Graph oldGraph, int estimatedNodeCount, Iterable<Node> nodes, final DuplicationReplacement replacements) {
+    static Map<Node, Node> addGraphDuplicate(final Graph graph, final Graph oldGraph, int estimatedNodeCount, Iterable<? extends Node> nodes, final DuplicationReplacement replacements) {
         final Map<Node, Node> newNodes;
         int denseThreshold = oldGraph.getNodeCount() + oldGraph.getNodesDeletedSinceLastCompression() >> 4;
         if (estimatedNodeCount > denseThreshold) {
@@ -774,7 +774,7 @@
         return newNodes;
     }
 
-    private static void createNodeDuplicates(final Graph graph, Iterable<Node> nodes, final DuplicationReplacement replacements, final Map<Node, Node> newNodes) {
+    private static void createNodeDuplicates(final Graph graph, Iterable<? extends Node> nodes, final DuplicationReplacement replacements, final Map<Node, Node> newNodes) {
         for (Node node : nodes) {
             if (node != null) {
                 assert !node.isDeleted() : "trying to duplicate deleted node: " + node;