dart-sdk/tests/language_2/licm2_test.dart
Florian Loitsch 3b64211ab2 Migrate test block 127.
Change-Id: I05a4baa3c641d71ccee1fce1e7f680f3fd9f42fc
Reviewed-on: https://dart-review.googlesource.com/9041
Commit-Queue: Jakob Roland Andersen <jakobr@google.com>
Reviewed-by: Jakob Roland Andersen <jakobr@google.com>
2017-10-05 06:43:21 +00:00

23 lines
512 B
Dart

// 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);
}