v8/test/mjsunit/deopt-recursive-eager-once.js
Michael Starzinger 45b4522e40 [fullcodegen] Remove --stress-fullcodegen flag.
This is in preparation to the removal of the FullCodeGenerator, we no
longer need the ability to stress the underlying implementation.

R=rmcilroy@chromium.org
BUG=v8:6409

Cq-Include-Trybots: master.tryserver.v8:v8_linux_noi18n_rel_ng
Change-Id: Iad3177d6de4a68b57c12a770b6e85ed7a9710254
Reviewed-on: https://chromium-review.googlesource.com/584747
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#47276}
2017-08-10 09:52:49 +00:00

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JavaScript

// Copyright 2017 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --allow-natives-syntax --opt --no-always-opt
function foo(i, deopt = false) {
if (i == 0) {
if (deopt) {
// Trigger an eager deopt.
%_DeoptimizeNow();
}
} else {
foo(i - 1, deopt);
}
}
assertEquals(0, %GetDeoptCount(foo));
foo(10);
foo(10);
%OptimizeFunctionOnNextCall(foo);
foo(10);
assertOptimized(foo);
assertEquals(0, %GetDeoptCount(foo));
foo(10, true);
assertUnoptimized(foo);
assertEquals(1, %GetDeoptCount(foo));