blob: 029c3f1c3f3d8bdf8929cb556e7042b646b5bce0 [file] [log] [blame]
// 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.
// Regression test for dart2js that used to generate wrong code for
// [foo].
import "package:expect/expect.dart";
import "../compiler_annotations.dart";
main() {
var result = foo(1, 2);
Expect.equals(1, result[0]);
Expect.equals(2, result[1]);
result = foo([], 2);
Expect.equals(0, result[0]);
Expect.listEquals([], result[1]);
}
@DontInline()
foo(a, b) {
() => 42;
if (a is List) {
var saved = a as List;
// By having two HTypeKnown SSA instructions for [a], dart2js was
// confused when updating the phis at exit of this block.
a = a.length;
b = saved;
}
return [a, b];
}