# HG changeset patch
# User Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
# Date 1424646772 -3600
# Node ID 10a0f4aef97c4f80d0ce7206b7c9de1362f5845c
# Parent  c99fb69e93c74a609e8cd1ea74343901f19abd53
Fix after changes in GraphUtil.

diff -r c99fb69e93c7 -r 10a0f4aef97c graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/util/GraphUtil.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/util/GraphUtil.java	Sun Feb 22 23:54:35 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/util/GraphUtil.java	Mon Feb 23 00:12:52 2015 +0100
@@ -133,10 +133,12 @@
             }
             if (usageToKill != null) {
                 for (Node usage : usageToKill) {
-                    if (usage instanceof PhiNode) {
-                        usage.replaceFirstInput(node, null);
-                    } else {
-                        propagateKill(usage);
+                    if (usage.isAlive()) {
+                        if (usage instanceof PhiNode) {
+                            usage.replaceFirstInput(node, null);
+                        } else {
+                            propagateKill(usage);
+                        }
                     }
                 }
             }