dart-sdk/tests/language_2/propagate/past_constant_test.dart
Robert Nystrom fc1b1ecc71 Move files under language_2 into subdirectories.
Change-Id: Idbcc965a27e9ffeedf5e0a1068b019de4193070f
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/127745
Commit-Queue: Bob Nystrom <rnystrom@google.com>
Reviewed-by: Alexander Thomas <athom@google.com>
2019-12-11 19:18:00 +00:00

22 lines
488 B
Dart

// Copyright (c) 2015, 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';
foo(x) => x;
check(y) {
Expect.equals('foo', y);
}
main() {
var x = foo('foo');
var y = foo(x);
x = 'constant';
check(
y); // 'y' should not propagate here unless reference to 'x' is rewritten
foo(x);
foo(x);
}