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sdk/tests/language/vm/lazy_deopt_vm_test.dart
T
Robert Nystrom 2034061433 Migrate language_2/vm to NNBD.
Change-Id: I313a57ed7c7ea2ada75065f55a7367376f6bdae5
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/152183
Commit-Queue: Bob Nystrom <rnystrom@google.com>
Auto-Submit: Bob Nystrom <rnystrom@google.com>
Reviewed-by: Srujan Gaddam <srujzs@google.com>
2020-06-25 20:39:23 +00:00

36 lines
806 B
Dart

// Copyright (c) 2016, 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.
// VMOptions=--optimization-filter=foo --deoptimize_every=10 --optimization-counter-threshold=10 --no-background-compilation
// Test that lazy deoptimization on stack checks does not damage unoptimized
// frame.
import 'package:expect/expect.dart';
foo() {
var a = 0;
var b = 1;
var c = 2;
var d = 3;
var e = 4;
for (var i = 0; i < 10; i++) {
a++;
b++;
c++;
d++;
e++;
}
Expect.equals(10, a);
Expect.equals(11, b);
Expect.equals(12, c);
Expect.equals(13, d);
Expect.equals(14, e);
}
main() {
for (var i = 0; i < 10; ++i) {
foo();
}
}