diff -r 000000000000 -r 9a66ca7c79fa test/tools/javac/processing/6378728/T6378728.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/processing/6378728/T6378728.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,84 @@
+/*
+ * Copyright 2006 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     6378728
+ * @summary Verify -proc:only doesn't produce class files
+ * @author  Joseph D. Darcy
+ * @compile T6378728.java
+ * @run main T6378728
+ */
+
+import java.io.File;
+import java.io.IOException;
+import java.io.OutputStreamWriter;
+import java.net.URI;
+import java.util.Arrays;
+import javax.tools.JavaCompiler.CompilationTask;
+
+import javax.tools.*;
+
+
+public class T6378728 {
+    private static class ExceptionalFileManager extends ForwardingJavaFileManager {
+        public ExceptionalFileManager(JavaFileManager wrapped) {
+            super(wrapped);
+        }
+
+        @Override
+        public FileObject getFileForOutput(Location location,
+                                           String packageName,
+                                           String relativeName,
+                                           FileObject sibling)
+        {
+            throw new IllegalArgumentException("No files for you!");
+        }
+
+        @Override
+        public JavaFileObject getJavaFileForOutput(Location location,
+                                                   String className,
+                                                   JavaFileObject.Kind kind,
+                                                   FileObject sibling)
+        {
+            throw new IllegalArgumentException("No files for you!");
+        }
+    }
+
+    public static void main(String[] args) {
+        // Get a compiler tool
+        JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
+        String srcdir = System.getProperty("test.src");
+        File source = new File(srcdir, "T6378728.java");
+        StandardJavaFileManager fm = compiler.getStandardFileManager(null, null, null);
+
+        CompilationTask task =
+            compiler.getTask(null,
+                             new ExceptionalFileManager(fm),
+                             null,
+                             Arrays.asList("-proc:only"),
+                             null,
+                             fm.getJavaFileObjectsFromFiles(Arrays.asList(source)));
+        if (!task.call())
+            throw new RuntimeException("Unexpected compilation failure");
+    }
+}