diff -r 000000000000 -r 9a66ca7c79fa test/tools/javac/unit/T6198196.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/unit/T6198196.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,62 @@
+/*
+ * Copyright 2005-2006 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     6198196 6278523
+ * @summary package-info.java: Weird compiler error
+ * @author  Peter von der Ah\u00e9
+ */
+
+import java.util.Arrays;
+import javax.tools.*;
+
+public class T6198196 {
+    static String pkginf = "package-info";
+    static StandardJavaFileManager fm;
+    static void test(String pathname, String filename, boolean result) {
+        JavaFileObject fo;
+        fo = fm.getJavaFileObjectsFromStrings(Arrays.asList(pathname)).iterator().next();
+        if (result != fo.isNameCompatible(filename, JavaFileObject.Kind.SOURCE))
+            throw new AssertionError("endsWith(" + pathname + ", "
+                                     + filename + ") != " + result);
+        System.out.format("OK: endsWith(%s, %s) = %s%n", pathname, filename, result);
+    }
+    public static void main(String[] args) {
+        fm = ToolProvider.getSystemJavaCompiler().getStandardFileManager(null, null, null);
+        boolean windows = System.getProperty("os.name").startsWith("Windows");
+        test("/x/y/z/package-info.java", pkginf, true);
+        if (windows) {
+            test("\\x\\y\\z\\package-info.java", pkginf, true);
+            test("..\\x\\y\\z\\package-info.java", pkginf, true);
+        } else {
+            test("\\x\\y\\z\\package-info.java", pkginf, false);
+            test("..\\x\\y\\z\\package-info.java", pkginf, false);
+        }
+        test("Package-info.java", pkginf, false);
+        test("../x/y/z/package-info.java", pkginf, true);
+        test("/x/y/z/package-info.java", pkginf, true);
+        test("x/y/z/package-info.java", pkginf, true);
+        test("package-info.java", pkginf, true);
+    }
+}