--- a/graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/inlining/InliningTest.java	Fri Feb 01 21:10:23 2013 +0100
+++ b/graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/inlining/InliningTest.java	Fri Feb 01 21:10:53 2013 +0100
@@ -36,7 +36,6 @@
 import com.oracle.graal.phases.*;
 import com.oracle.graal.phases.common.*;
 
-// TODO (chaeubl): add more test cases
 @SuppressWarnings("unused")
 public class InliningTest extends GraalCompilerTest {
 

--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/TailcallNode.java	Fri Feb 01 21:10:23 2013 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/TailcallNode.java	Fri Feb 01 21:10:53 2013 +0100
@@ -64,7 +64,6 @@
 
         JavaType[] signature = MetaUtil.signatureToTypes(method.getSignature(), isStatic ? null : method.getDeclaringClass());
         CallingConvention cc = gen.frameMap().registerConfig.getCallingConvention(CallingConvention.Type.JavaCall, null, signature, gen.target(), false);
-        gen.frameMap().callsMethod(cc); // TODO (aw): I think this is unnecessary for a tail call.
         List<ValueNode> parameters = new ArrayList<>();
         for (int i = 0, slot = 0; i < cc.getArgumentCount(); i++, slot += FrameStateBuilder.stackSlots(frameState.localAt(slot).kind())) {
             parameters.add(frameState.localAt(slot));

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/ControlFlowException.java	Fri Feb 01 21:10:53 2013 +0100
@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package com.oracle.truffle.api.nodes;
+
+/**
+ * An exception thrown to model control flow in a Truffle interpreter. The Truffle optimizer has
+ * special knowledge of this exception class for performance optimizations.
+ */
+public class ControlFlowException extends Exception {
+
+    private static final long serialVersionUID = 3676602078425211386L;
+
+    /**
+     * Creates an exception thrown to enter a slow path.
+     */
+    public ControlFlowException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}