# HG changeset patch
# User Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
# Date 1397827146 -7200
# Node ID d49a8fe10727d7b28004fcf8b6efef8bc58152c1
# Parent  c8d4ace5b78c8c3b2dd6269f661c142960c3c62d
Fix a regression in ArrayLengthNode.

diff -r c8d4ace5b78c -r d49a8fe10727 graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/ArrayLengthNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/ArrayLengthNode.java	Fri Apr 18 14:14:48 2014 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/ArrayLengthNode.java	Fri Apr 18 15:19:06 2014 +0200
@@ -63,11 +63,16 @@
     public static ValueNode readArrayLength(StructuredGraph graph, ValueNode originalArray, ConstantReflectionProvider constantReflection) {
         ArrayLengthProvider foundArrayLengthProvider = null;
         ValueNode result = originalArray;
-        while (result instanceof ValueProxy) {
+        while (true) {
             if (result instanceof ArrayLengthProvider) {
                 foundArrayLengthProvider = (ArrayLengthProvider) result;
+                break;
             }
-            result = ((ValueProxy) result).getOriginalNode();
+            if (result instanceof ValueProxy) {
+                result = ((ValueProxy) result).getOriginalNode();
+            } else {
+                break;
+            }
         }
 
         if (foundArrayLengthProvider != null) {