# HG changeset patch
# User Gilles Duboscq <duboscq@ssw.jku.at>
# Date 1381765765 -7200
# Node ID dc4b09c9d68e442886fccf562a1dd5e84cf83e62
# Parent  28d80a9260cdc955a9d3361fd73c4fc2377ff7b6
When FixedGuardNode is canonicalized away, it should not be replaced with the previous begin

diff -r 28d80a9260cd -r dc4b09c9d68e graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/FixedGuardNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/FixedGuardNode.java	Mon Oct 14 16:40:51 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/FixedGuardNode.java	Mon Oct 14 17:49:25 2013 +0200
@@ -99,8 +99,9 @@
                 DeoptimizeNode deopt = graph().add(new DeoptimizeNode(DeoptimizationAction.InvalidateRecompile, reason));
                 deopt.setDeoptimizationState(getDeoptimizationState());
                 setNext(deopt);
+            } else {
+                this.replaceAtUsages(null);
             }
-            this.replaceAtUsages(BeginNode.prevBegin(this));
             graph().removeFixed(this);
         }
     }