diff -r fd16c54261b3 -r 06bc494ca11e langtools/test/tools/javac/InterfaceOverrideCheck.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/InterfaceOverrideCheck.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,45 @@
+/*
+ * Copyright 2000 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 4312154
+ * @summary Verify that overriding compatibility is checked in interfaces.
+ * @author maddox
+ *
+ * @run compile/fail InterfaceOverrideCheck.java
+ */
+
+class X1 extends Throwable {}
+
+class X2 extends Throwable {}
+
+interface I1
+{
+   int f(int i, int j) throws X1;
+}
+
+interface I2 extends I1
+{
+   int f(int i, int j) throws X1,X2;// error: Throws clause conflict.
+}