--- a/graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/ea/EATestBase.java	Thu Apr 02 14:33:43 2015 +0200
+++ b/graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/ea/EATestBase.java	Thu Apr 02 14:50:16 2015 +0200
@@ -132,7 +132,7 @@
      * @param iterativeEscapeAnalysis true if escape analysis should be run for more than one
      *            iteration
      */
-    protected void testEscapeAnalysis(String snippet, final JavaConstant expectedConstantResult, final boolean iterativeEscapeAnalysis) {
+    protected void testEscapeAnalysis(String snippet, JavaConstant expectedConstantResult, boolean iterativeEscapeAnalysis) {
         prepareGraph(snippet, iterativeEscapeAnalysis);
         if (expectedConstantResult != null) {
             for (ReturnNode returnNode : returnNodes) {
@@ -145,7 +145,7 @@
         Assert.assertEquals(0, newInstanceCount);
     }
 
-    protected void prepareGraph(String snippet, final boolean iterativeEscapeAnalysis) {
+    protected void prepareGraph(String snippet, boolean iterativeEscapeAnalysis) {
         ResolvedJavaMethod method = getResolvedJavaMethod(snippet);
         try (Scope s = Debug.scope(getClass(), method, getCodeCache())) {
             graph = parseEager(method, AllowAssumptions.YES);

--- a/graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/ea/PartialEscapeAnalysisTest.java	Thu Apr 02 14:33:43 2015 +0200
+++ b/graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/ea/PartialEscapeAnalysisTest.java	Thu Apr 02 14:50:16 2015 +0200
@@ -172,8 +172,27 @@
         assertDeepEquals(1, graph.getNodes().filter(NewInstanceNode.class).count());
     }
 
+    public static int testCanonicalizeSnippet(int v) {
+        CacheKey key = new CacheKey(v, null);
+
+        CacheKey key2;
+        if (key.idx == v) {
+            key2 = new CacheKey(v, null);
+        } else {
+            key2 = null;
+        }
+        return key2.idx;
+    }
+
+    @Test
+    public void testCanonicalize() {
+        prepareGraph("testCanonicalizeSnippet", false);
+        assertTrue(graph.getNodes().filter(ReturnNode.class).count() == 1);
+        assertTrue(graph.getNodes().filter(ReturnNode.class).first().result() == graph.getParameter(0));
+    }
+
     @SafeVarargs
-    protected final void testPartialEscapeAnalysis(final String snippet, double expectedProbability, int expectedCount, Class<? extends Node>... invalidNodeClasses) {
+    protected final void testPartialEscapeAnalysis(String snippet, double expectedProbability, int expectedCount, Class<? extends Node>... invalidNodeClasses) {
         prepareGraph(snippet, false);
         for (AbstractMergeNode merge : graph.getNodes(AbstractMergeNode.TYPE)) {
             merge.setStateAfter(null);