diff -r 000000000000 -r 959103a6100f test/tools/javac/multicatch/Neg01eff_final.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/multicatch/Neg01eff_final.java	Wed Apr 27 01:34:52 2016 +0800
@@ -0,0 +1,28 @@
+/*
+ * @test /nodynamiccopyright/
+ * @bug 6943289
+ *
+ * @summary Project Coin: Improved Exception Handling for Java (aka 'multicatch')
+ * @author darcy
+ * @compile/fail/ref=Neg01eff_final.out -XDrawDiagnostics Neg01eff_final.java
+ * @compile -source 6 -XDrawDiagnostics Neg01eff_final.java
+ *
+ */
+
+class Neg01eff_final {
+    static class A extends Exception {}
+    static class B1 extends A {}
+    static class B2 extends A {}
+
+    class Test {
+        void m() throws A {
+            try {
+                throw new B1();
+            } catch (A ex1) {
+                try {
+                    throw ex1; // used to throw A, now throws B1!
+                } catch (B2 ex2) { }//unreachable
+            }
+        }
+    }
+}