# HG changeset patch
# User Christian Wimmer <christian.wimmer@oracle.com>
# Date 1453316065 28800
# Node ID b2223a89bd229cde66133132fe30a809af7ed5bf
# Parent  e781b762e1663931a3d94b1f660149e1ea23905c
GraphPE: keep state of MergeNode when creating LoopBeginNode

diff -r e781b762e166 -r b2223a89bd22 graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/GraphDecoder.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/GraphDecoder.java	Wed Jan 20 12:16:37 2016 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/GraphDecoder.java	Wed Jan 20 10:54:25 2016 -0800
@@ -1167,9 +1167,8 @@
         merge.removeEnd(endNode);
         FixedNode afterMerge = merge.next();
         if (!(afterMerge instanceof EndNode) || !(((EndNode) afterMerge).merge() instanceof LoopBeginNode)) {
-            FrameState stateAfter = merge.stateAfter();
+            FrameState stateAfter = merge.stateAfter().duplicate();
             merge.setNext(null);
-            merge.setStateAfter(null);
             EndNode preLoopEnd = methodScope.graph.add(new EndNode());
             LoopBeginNode newLoopBegin = methodScope.graph.add(new LoopBeginNode());
             merge.setNext(preLoopEnd);