--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/generics/inference/8152832/T8152832.java	Fri Apr 08 10:52:26 2016 +0100
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2016, 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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 8152832
+ * @summary Type inference regression in javac
+ * @compile T8152832.java
+ */
+
+import java.util.function.*;
+import java.util.stream.*;
+import java.util.*;
+
+class T8152832 {
+    interface MyStream<T> extends Stream<T> {
+        public <U> List<U> toFlatList(Function<? super T, ? extends Collection<U>> mapper);
+    }
+
+    static class MyStreamSupplier<T> {
+        public MyStream<T> get() {
+            return null;
+        }
+    }
+
+    public static <T> void myStream(Supplier<Stream<T>> base, Consumer<MyStreamSupplier<T>> consumer) {
+    }
+
+    public static void assertEquals(Object expected, Object actual) {
+    }
+
+    public void test() {
+        List<List<String>> strings = Arrays.asList();
+        List<String> expectedList = Arrays.asList();
+        myStream(strings::stream, supplier -> {
+            assertEquals(expectedList, supplier.get().toFlatList(Function.identity()));
+        });
+    }
+}
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