--- /dev/null	2009-08-12 17:12:33.000000000 -0700
+++ new/test/tools/javac/TryWithResources/BadTwr.java	2010-07-16 19:34:17.000000000 -0700
@@ -0,0 +1,36 @@
+/*
+ * @test  /nodynamiccopyright/
+ * @bug 6911256 6964740
+ * @author Joseph D. Darcy
+ * @summary Verify bad TWRs don't compile
+ * @compile/fail -source 6 TwrFlow.java
+ * @compile/fail/ref=BadTwr.out -XDrawDiagnostics BadTwr.java
+ */
+
+public class BadTwr implements AutoCloseable {
+    public static void main(String... args) {
+        // illegal repeated name
+        try(BadTwr r1 = new BadTwr(); BadTwr r1 = new BadTwr()) {
+            System.out.println(r1.toString());
+        }
+
+        // illegal duplicate name of method argument
+        try(BadTwr args = new BadTwr()) {
+            System.out.println(args.toString());
+            final BadTwr thatsIt = new BadTwr();
+            thatsIt = null;
+        }
+
+        try(BadTwr name = new BadTwr()) {
+            // illegal duplicate name of enclosing try
+            try(BadTwr name = new BadTwr()) {
+                System.out.println(name.toString());
+            }
+        }
+
+    }
+
+    public void close() {
+        ;
+    }
+}