Index: tests/language/licm2_test.dart |
=================================================================== |
--- tests/language/licm2_test.dart (revision 0) |
+++ tests/language/licm2_test.dart (revision 0) |
@@ -0,0 +1,22 @@ |
+// Copyright (c) 2013, 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. |
+ |
+// Test that a loop invariant code motion optimization does not try to |
+// hoist instructions that may throw. |
+ |
+import "package:expect/expect.dart"; |
+ |
+var a = 42; |
+var b; |
+ |
+main() { |
+ Expect.throws(() { |
+ while (true) { |
+ a = 54; |
+ b.length; |
+ } |
+ }); |
+ b = []; |
+ Expect.equals(54, a); |
+} |