VM: [Kernel] Ensure we have the correct try-index when translating finally blocks

tests/kernel/unsorted/try_finally_test.dart

 // Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 import 'package:expect/expect.dart';
 
 testSimpleBreak() {
   var x = 1;
   while (true) {
     try {
@@ skipping 126 matching lines @@
 
     case 1:
       try {
         continue jump5;
       } finally {
         continue jump42;
       }
   }
 }
 
+testNestedFinally() {
+  var events = '';
+  try {
+    try {
+      events = '$events|start';
+    } finally {
+      events = '$events|start-catch';
+    }
+    try {
+      try {
+        return;
+      } finally {
+        events = '$events|inner';
+        throw 0;
+      }
+    } finally {
+      events = '$events|middle';
+    }
+  } catch (e) {
+    events = '$events|outer-catch';
+  } finally {
+    events = '$events|outer-finally';
+  }
+  Expect.equals(
+      events,
+      '|start|start-catch|inner|middle|outer-catch|outer-finally');
+}
+
 main() {
   Expect.isTrue(testSimpleBreak() == 3);
   Expect.isTrue(testReturnFinally() == 42);
   Expect.isTrue(testNestedReturnFinally() == 42);
   Expect.isTrue(testReturnInsideLoop() == 42);
   Expect.isTrue(testStopContinueInsideLoop() == 42);
   Expect.isTrue(testStopBreakInsideLoop() == 42);
   Expect.isTrue(testStopBreakInsideLoop2() == 42);
   Expect.isTrue(testStopContinueInsideLoop() == 42);
   Expect.isTrue(testStopContinueInsideSwitch() == 42);
   Expect.isTrue(testStopContinueInsideSwitch2() == 42);
+  testNestedFinally();
 }