--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/SwitchNode.java	Tue Jan 27 23:52:31 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/SwitchNode.java	Wed Jan 28 00:50:31 2015 +0100
@@ -37,7 +37,7 @@
 @NodeInfo
 public abstract class SwitchNode extends ControlSplitNode {
 
-    @Successor protected NodeSuccessorList<BeginNode> successors;
+    @Successor protected NodeSuccessorList<AbstractBeginNode> successors;
     @Input protected ValueNode value;
 
     // do not change the contents of these arrays:
@@ -50,7 +50,7 @@
      * @param value the instruction that provides the value to be switched over
      * @param successors the list of successors of this switch
      */
-    public SwitchNode(ValueNode value, BeginNode[] successors, int[] keySuccessors, double[] keyProbabilities) {
+    public SwitchNode(ValueNode value, AbstractBeginNode[] successors, int[] keySuccessors, double[] keyProbabilities) {
         super(StampFactory.forVoid());
         assert value.stamp().getStackKind().isNumericInteger() || value.stamp() instanceof AbstractPointerStamp : value.stamp() + " key not supported by SwitchNode";
         assert keySuccessors.length == keyProbabilities.length;
@@ -72,7 +72,7 @@
     }
 
     @Override
-    public double probability(BeginNode successor) {
+    public double probability(AbstractBeginNode successor) {
         double sum = 0;
         for (int i = 0; i < keySuccessors.length; i++) {
             if (successors.get(keySuccessors[i]) == successor) {
@@ -117,7 +117,7 @@
     /**
      * Returns the successor for the key at the given index.
      */
-    public BeginNode keySuccessor(int i) {
+    public AbstractBeginNode keySuccessor(int i) {
         return successors.get(keySuccessors[i]);
     }
 
@@ -135,11 +135,11 @@
         return keySuccessors[keySuccessors.length - 1];
     }
 
-    public BeginNode blockSuccessor(int i) {
+    public AbstractBeginNode blockSuccessor(int i) {
         return successors.get(i);
     }
 
-    public void setBlockSuccessor(int i, BeginNode s) {
+    public void setBlockSuccessor(int i, AbstractBeginNode s) {
         successors.set(i, s);
     }
 
@@ -152,7 +152,7 @@
      *
      * @return the default successor
      */
-    public BeginNode defaultSuccessor() {
+    public AbstractBeginNode defaultSuccessor() {
         if (defaultSuccessorIndex() == -1) {
             throw new GraalInternalError("unexpected");
         }