node/deps/v8/test/mjsunit/compiler/deopt-eager-and-lazy.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

31 lines
550 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 f() {
%DeoptimizeFunction(g);
}
%NeverOptimizeFunction(f);
function g(o) {
f();
return h(o);
}
function h(o) {
return o.x;
}
%PrepareFunctionForOptimization(g);
g({x : 1});
g({x : 2});
%OptimizeFunctionOnNextCall(g);
g({x : 3});
%PrepareFunctionForOptimization(h);
%OptimizeFunctionOnNextCall(h);
g({x : 4});
g({y : 1, x : 3});