v8/test/mjsunit/regress/regress-5262.js
mstarzinger ae24992839 [turbofan] Remove deprecated --turbo-from-bytecode flag.
This flag is on by default for now. Whenever heuristics in the compiler
pipeline decide to use Ignition+TurboFan, then {BytecodeGraphBuilder} is
active. Removing the flag reduces maintenance overhead.

R=mvstanton@chromium.org

Review-Url: https://codereview.chromium.org/2437103002
Cr-Commit-Position: refs/heads/master@{#40639}
2016-10-28 09:54:04 +00:00

26 lines
774 B
JavaScript

// Copyright 2016 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: --ignition --ignition-osr --allow-natives-syntax
function g() { return 23 }
function h() { return 42 }
function boom(o) { o.g = h }
function f(osr_and_recurse) {
if (osr_and_recurse) {
for (var i = 0; i < 3; ++i) {
if (i == 1) %OptimizeOsr();
}
%OptimizeFunctionOnNextCall(f);
f(false); // Trigger tier-up due to recursive call.
boom(this); // Causes a deopt due to below dependency.
var x = g(); // Install dependency on the {g} function.
return x;
}
return 65;
}
assertEquals(65, f(false));
assertEquals(65, f(false));
assertEquals(42, f(true));