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14011f47e3
They're back from the grave, and ready to party! Change-Id: I088134a9be7ecabf1fbf751c015a656a15cabff9 Reviewed-on: https://dart-review.googlesource.com/12821 Commit-Queue: Bob Nystrom <rnystrom@google.com> Reviewed-by: William Hesse <whesse@google.com>
49 lines
983 B
Dart
49 lines
983 B
Dart
// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// VMOptions=--optimization-counter-threshold=100 --no-background-compilation
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// Test lazy deoptimization at field guards with deferred loading.
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import "package:expect/expect.dart";
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import "cha_deopt1_lib.dart";
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import "cha_deopt1_deferred_lib.dart" deferred as d;
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var loaded = false;
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main() {
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for (var i = 0; i < 2000; i++) bla();
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Expect.equals(42, bla());
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d.loadLibrary().then((_) {
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loaded = true;
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Expect.equals("good horse", bla());
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});
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}
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make_t() {
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try {
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if (loaded) {
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return d.make_u();
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} else {
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return new T();
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}
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} catch (e) {}
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}
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bla() {
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var x = new X();
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x.test(make_t());
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return x.fld.m();
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}
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class X {
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T fld = new T();
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test(T t) {
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if (t != null) {
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T tmp = t;
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fld = tmp;
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}
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}
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}
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