node/deps/v8/test/mjsunit/compiler/regress-1200490.js
Michaël Zasso 50930a0fa0
deps: update V8 to 9.3.345.16
PR-URL: https://github.com/nodejs/node/pull/39469
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
2021-08-30 21:02:51 +02:00

50 lines
1.0 KiB
JavaScript

// Copyright 2021 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() {
function foo(a) {
var y = 1;
var z = 0;
if (a) {
y = -1;
z = -0;
}
return z + (0 * y);
}
assertEquals(-0, foo(true));
%PrepareFunctionForOptimization(foo);
assertEquals(0, foo(false));
%OptimizeFunctionOnNextCall(foo);
assertEquals(-0, foo(true));
})();
(function() {
function foo(a) {
var x = a ? -0 : 0;
return x + (x % 1);
}
assertEquals(-0, foo(true));
%PrepareFunctionForOptimization(foo);
assertEquals(0, foo(false));
%OptimizeFunctionOnNextCall(foo);
assertEquals(-0, foo(true));
})();
(function() {
function foo(a) {
var x = a ? -0 : 0;
return x + (x % -1);
}
assertEquals(-0, foo(true));
%PrepareFunctionForOptimization(foo);
assertEquals(0, foo(false));
%OptimizeFunctionOnNextCall(foo);
assertEquals(-0, foo(true));
})();