blob: 7cb2a8807ee812dd01dc81abe6647d995fd6b983 [file] [log] [blame]
// 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.
// VMOptions=--optimization-counter-threshold=100 --no-background-compilation
// Test lazy deoptimization at field guards with deferred loading.
import "package:expect/expect.dart";
import "cha_deopt1_lib.dart";
import "cha_deopt1_deferred_lib.dart" deferred as d;
var loaded = false;
main() {
for (var i = 0; i < 2000; i++) bla();
Expect.equals(42, bla());
d.loadLibrary().then((_) {
loaded = true;
Expect.equals("good horse", bla());
});
}
make_t() {
try {
if (loaded) {
return d.make_u();
} else {
return new T();
}
} catch (e) {}
}
bla() {
var x = new X();
x.test(make_t());
return x.fld.m();
}
class X {
T fld = new T();
test(T t) {
if (t != null) {
T tmp = t;
fld = tmp;
}
}
}