diff -r 000000000000 -r 959103a6100f test/tools/javac/generics/inference/6650759/T6650759g.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/generics/inference/6650759/T6650759g.java	Wed Apr 27 01:34:52 2016 +0800
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2009, 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.
+ */
+
+/*
+ * @test
+ * @bug     6650759
+ * @summary Inference of formal type parameter (unused in formal parameters) is not performed
+ * @compile T6650759g.java
+ */
+
+public class T6650759g {
+
+    static abstract class A<X extends A<X>> {}
+
+    static abstract class B<X extends A<X>> {}
+
+    interface C<X, Y> {}
+
+    static abstract class D<X extends A<X>, Y extends B<X>> implements C<X, Y> {}
+
+    static class E extends A<E> {}
+
+    static class F extends B<E> {}
+
+    static void test(Iterable<E> data) {
+        m3(m2(data, m1(F.class)));
+    }
+
+    static <X extends A<X>, Y extends B<X>> D<X, Y> m1(Class<Y> c) {
+        return null;
+    }
+
+    static <U, V> Iterable<V> m2(Iterable<U> x1, C<? super U, ? extends V> x2) {
+        return null;
+    }
+
+    static void m3(Iterable<F> data) {
+    }
+}