v8/test/mjsunit/compiler/deopt-followed-by-gc.js
Ross McIlroy 31a3cfbc10 [Test] Add PrepareForOptimization to mjsunit/compiler
BUG=v8:8801

Change-Id: I9d9d9824c6c9ad0176bbfd3723da1b578b17c256
Reviewed-on: https://chromium-review.googlesource.com/c/1495555
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Mythri Alle <mythria@chromium.org>
Cr-Commit-Position: refs/heads/master@{#60001}
2019-03-04 12:25:41 +00:00

25 lines
546 B
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 --expose-gc
// Testing GC after setting the pc on the stack.
// There must be a safepoint for the trampoline.
function opt_me() {
deopt();
}
function deopt() {
%DeoptimizeFunction(opt_me);
gc();
}
%NeverOptimizeFunction(deopt);
%PrepareFunctionForOptimization(opt_me);
opt_me();
opt_me();
%OptimizeFunctionOnNextCall(opt_me);
opt_me();