blob: 92ab549541cd9e75bf2db83794265bc84b9795e8 [file] [log] [blame]
// 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.
// @dart = 2.9
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]));
}