node/deps/v8/test/mjsunit/regress/regress-deoptimize-constant-keyed-load.js
Michaël Zasso e31f0a7d25
deps: update V8 to 7.7.299.4
PR-URL: https://github.com/nodejs/node/pull/28918
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
2019-08-19 09:25:23 +02:00

26 lines
529 B
JavaScript

// Copyright 2015 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
var o = {};
o.__defineGetter__('progressChanged', function() {
%DeoptimizeFunction(f);
return 10;
});
function g(a, b, c) {
return a + b + c;
}
function f() {
var t = 'progressChanged';
return g(1, o[t], 100);
};
%PrepareFunctionForOptimization(f);
f();
f();
%OptimizeFunctionOnNextCall(f);
assertEquals(111, f());