--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/truffle/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/PolymorphicTest2.java	Wed Jun 17 10:58:08 2015 +0200
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2012, 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.dsl.test;
+
+import static com.oracle.truffle.api.dsl.test.TestHelper.*;
+import static org.junit.Assert.*;
+
+import org.junit.*;
+
+import com.oracle.truffle.api.dsl.*;
+import com.oracle.truffle.api.dsl.test.BinaryNodeTest.BinaryNode;
+import com.oracle.truffle.api.dsl.test.PolymorphicTest2Factory.Polymorphic1Factory;
+import com.oracle.truffle.api.dsl.test.TypeSystemTest.TestRootNode;
+import com.oracle.truffle.api.nodes.*;
+
+public class PolymorphicTest2 {
+
+    @Test
+    public void testMultipleTypes() {
+        /* Tests the unexpected polymorphic case. */
+        TestRootNode<Polymorphic1> node = TestHelper.createRoot(Polymorphic1Factory.getInstance());
+        assertEquals(21, executeWith(node, false, false));
+        assertEquals(42, executeWith(node, 21, 21));
+        assertEquals("(boolean,int)", executeWith(node, false, 42));
+        assertEquals(NodeCost.POLYMORPHIC, node.getNode().getCost());
+    }
+
+    @SuppressWarnings("unused")
+    abstract static class Polymorphic1 extends BinaryNode {
+
+        @Specialization
+        int add(int left, int right) {
+            return 42;
+        }
+
+        @Specialization
+        int add(boolean left, boolean right) {
+            return 21;
+        }
+
+        @Specialization
+        String add(boolean left, int right) {
+            return "(boolean,int)";
+        }
+
+    }
+
+}