Files
sdk/tests/language/optimize/bailout6_test.dart
T
Robert Nystrom c959c9aba7 Migrate language_2/optimize to NNBD.
Change-Id: I3f67dd79ff2ee745cc2ea161ce7150630e805c97
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/150186
Commit-Queue: Bob Nystrom <rnystrom@google.com>
Auto-Submit: Bob Nystrom <rnystrom@google.com>
Reviewed-by: Nicholas Shahan <nshahan@google.com>
2020-06-06 01:42:35 +00:00

41 lines
820 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.
import "package:expect/expect.dart";
// Test for dart2js to make sure the computed bailout environment is
// correct.
var global;
class A {
var array;
foo() {
do {
var element = global;
if (element is Map) continue;
if (element is num) break;
} while (true);
return array[0]; // bailout here.
}
}
void main() {
var a = new A();
a.array = [42];
global = 42;
for (int i = 0; i < 2; i++) {
Expect.equals(42, a.foo());
}
a.array = new Map();
a.array[0] = 42;
for (int i = 0; i < 2; i++) {
Expect.equals(42, a.foo());
}
global = null;
}