--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/generics/inference/6650759/T6650759m.java	Tue Sep 01 14:53:39 2009 +0100
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/*
+ * @test
+ * @bug     6650759
+ * @summary Inference of formal type parameter (unused in formal parameters) is not performed
+ * @compile/fail/ref=T6650759m.out T6650759m.java -XDrawDiagnostics
+ */
+
+import java.util.*;
+
+class T6650759m {
+    <Z> List<? super Z> m(List<? extends List<? super Z>> ls) {
+        return ls.get(0);
+    }
+
+    void test() {
+        ArrayList<ArrayList<Integer>> lli = new ArrayList<ArrayList<Integer>>();
+        ArrayList<Integer> li = new ArrayList<Integer>();
+        li.add(2);
+        lli.add(li);
+        List<? super String> ls = m(lli); //here
+        ls.add("crash");
+        Integer i = li.get(1);
+    }
+}