mirror of
https://github.com/dart-lang/sdk
synced 2024-09-18 21:31:20 +00:00
3b64211ab2
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>
28 lines
835 B
Dart
28 lines
835 B
Dart
// Copyright (c) 2012, 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.
|
|
// Dart test program for testing arrays.
|
|
|
|
import "package:expect/expect.dart";
|
|
|
|
bar() => true;
|
|
|
|
// The type propagation in Dart2Js wrongly took the intersection of all incoming
|
|
// types in a loop-phi. In this case the back-edge brought type 'number' which,
|
|
// combined with 'integer' (i = 0) was narrowed to 'integer'. As a result no
|
|
// check was inserted for the list access.
|
|
foo(a) {
|
|
num i = 0;
|
|
while (true) {
|
|
if (i > 1) return a[i];
|
|
if (bar()) {
|
|
// Adding a double guarantees a double result. Therefore guard by an if.
|
|
i = i + 1.5;
|
|
}
|
|
}
|
|
}
|
|
|
|
main() {
|
|
Expect.throws(() => foo([1, 2]));
|
|
}
|