blob: 7ed8cce73f6113abbc453c512e4b4f55d91aa14e [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.
// Test deoptimziation caused by lazy finalization.
// VMOptions=--optimization-counter-threshold=10 --no-use-osr
// @dart = 2.9
import "package:expect/expect.dart";
main() {
Expect.equals(20000, part1());
// Trigger lazy finalization of class B, which should invalidate
// optimized code for A.loop.
Expect.equals(-20000, part2());
}
part1() {
var a = new A();
a.loop();
// Second invocation calls optimized code.
return a.loop();
}
part2() {
var b = new B();
b.loop();
// Second invocation calls optimized code.
return b.loop();
}
class A {
foo() => 2;
loop() {
var sum = 0;
for (int i = 0; i < 10000; i++) {
sum += foo();
}
return sum;
}
}
class Aa extends A {}
class B extends Aa {
foo() => -2;
}