diff -r 5c956be64b9e -r 71f35e4b93a5 test/tools/javac/annotations/typeAnnotations/classfile/TypeCasts.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/annotations/typeAnnotations/classfile/TypeCasts.java	Wed Jan 23 13:27:24 2013 -0800
@@ -0,0 +1,87 @@
+/*
+ * 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.
+ */
+
+import java.lang.annotation.*;
+import java.io.*;
+import java.net.URL;
+import java.util.List;
+
+import com.sun.tools.classfile.*;
+
+/*
+ * @test
+ * @bug 6843077 8006775
+ * @summary test that typecasts annotation are emitted if only the cast
+ *          expression is optimized away
+ */
+
+public class TypeCasts extends ClassfileTestHelper{
+    public static void main(String[] args) throws Exception {
+        new TypeCasts().run();
+    }
+
+    public void run() throws Exception {
+        expected_tinvisibles = 4;
+        expected_tvisibles = 0;
+
+        ClassFile cf = getClassFile("TypeCasts$Test.class");
+        test(cf);
+        for (Field f : cf.fields) {
+            test(cf, f);
+        }
+        for (Method m: cf.methods) {
+            test(cf, m);
+        }
+
+        countAnnotations();
+
+        if (errors > 0)
+            throw new Exception(errors + " errors found");
+        System.out.println("PASSED");
+    }
+
+    /*********************** Test class *************************/
+    static class Test {
+        @Target({ElementType.TYPE_USE, ElementType.TYPE_PARAMETER})
+        @interface A {}
+
+        void emit() {
+            Object o = null;
+            String s = null;
+
+            String a0 = (@A String)o;
+            Object a1 = (@A Object)o;
+
+            String b0 = (@A String)s;
+            Object b1 = (@A Object)s;
+        }
+
+        void alldeadcode() {
+            Object o = null;
+
+            if (false) {
+                String a0 = (@A String)o;
+            }
+        }
+    }
+}