node/deps/v8/test/mjsunit/compiler/deopt-soft-simple.js
Ujjwal Sharma f579e11940 deps: update V8 to 7.4.288.13
PR-URL: https://github.com/nodejs/node/pull/26685
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Refael Ackermann <refack@gmail.com>
2019-03-28 16:36:18 -04:00

23 lines
430 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
function change_o() {
o = { y : 0, x : 1 };
}
var o = { x : 1 };
function f() {
// It triggers a soft deoptimization.
change_o();
return o.x;
}
%PrepareFunctionForOptimization(f);
%OptimizeFunctionOnNextCall(f);
f();