Enable OSR optimization for functions with try-catch.

tests/language/try_catch_optimized3_test.dart

Index: tests/language/try_catch_optimized3_test.dart
===================================================================
--- tests/language/try_catch_optimized3_test.dart	(revision 37390)
+++ tests/language/try_catch_optimized3_test.dart	(working copy)
@@ -1,7 +1,7 @@
 // Copyright (c) 2014, 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.
-// VMOptions=--optimization-counter-threshold=10 --no-use-osr
+// VMOptions=--optimization-counter-threshold=10
 
 import "package:expect/expect.dart";
 
@@ -22,7 +22,7 @@
 }
 
 main() {
-  for (var i=0; i<100; i++) test_double(1.0, false);
+  for (var i = 0; i < 100; i++) test_double(1.0, false);
   test_double(1.0, false);
   Expect.equals(1.0, test_double(1.0, true));
 }