# HG changeset patch
# User Lukas Stadler <lukas.stadler@oracle.com>
# Date 1420634401 -3600
# Node ID 7bb1abca2c0dc6b0a7a277071e3ef1ce0e9dab7c
# Parent  60384ae61d95a156f9b2cfeea2835842ec2def65
avoid re-adding "this" during PhiNode simplification

diff -r 60384ae61d95 -r 7bb1abca2c0d graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/PhiNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/PhiNode.java	Tue Jan 06 08:44:53 2015 -0800
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/PhiNode.java	Wed Jan 07 13:40:01 2015 +0100
@@ -209,8 +209,13 @@
                     graph().replaceFloating((FloatingNode) node, singleValue);
                 }
             }
-            graph().replaceFloating(this, singleValue);
-            usages().forEach(tool::addToWorkList);
+            for (Node usage : usages().snapshot()) {
+                if (usage != this) {
+                    usage.replaceFirstInput(this, singleValue);
+                }
+            }
+            clearInputs();
+            safeDelete();
         }
     }