dart-sdk/tests/standalone_2/pair_location_remapping_test.dart
Leaf Petersen b101a7d002 Add language versions to _2 test libraries
Change-Id: Ib33169c3e0ffc870915c189404074a1dea472546
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/196548
Reviewed-by: Bob Nystrom <rnystrom@google.com>
Commit-Queue: Leaf Petersen <leafp@google.com>
2021-04-26 17:58:57 +00:00

33 lines
776 B
Dart

// Copyright (c) 2014, 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.
// Test that pair locations are remaped in slow path environments.
// VMOptions=--optimization_counter_threshold=10 --no-use-osr --no-background_compilation
// @dart = 2.9
import "package:expect/expect.dart";
class A {
final f;
A(this.f);
}
foo(i) {
int j = 0x7fffffffffffffff + i;
var c = new A(j); // allocation will be sunk
var r = 0;
for (var k = 0; k < 10; k++) {
if ((j & (1 << k)) != 0) {
r++;
}
}
return c.f - r;
}
main() {
for (var i = 0; i < 1000; i++) {
Expect.equals(0x7fffffffffffffff - 10, foo(0));
}
}