node/deps/v8/test/mjsunit/compiler/regress-1195777.js
Michaël Zasso 053aa6d213
deps: patch V8 to 9.0.257.19
Refs: https://github.com/v8/v8/compare/9.0.257.17...9.0.257.19

PR-URL: https://github.com/nodejs/node/pull/38270
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
2021-04-21 17:55:16 +02:00

63 lines
1.3 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(b) {
let y = (new Date(42)).getMilliseconds();
let x = -1;
if (b) x = 0xFFFF_FFFF;
return y < Math.max(1 << y, x, 1 + y);
}
assertTrue(foo(true));
%PrepareFunctionForOptimization(foo);
assertTrue(foo(false));
%OptimizeFunctionOnNextCall(foo);
assertTrue(foo(true));
})();
(function() {
function foo(b) {
let x = 0;
if (b) x = -1;
return x == Math.max(-1, x >>> Infinity);
}
assertFalse(foo(true));
%PrepareFunctionForOptimization(foo);
assertTrue(foo(false));
%OptimizeFunctionOnNextCall(foo);
assertFalse(foo(true));
})();
(function() {
function foo(b) {
let x = -1;
if (b) x = 0xFFFF_FFFF;
return -1 < Math.max(0, x, -1);
}
assertTrue(foo(true));
%PrepareFunctionForOptimization(foo);
assertTrue(foo(false));
%OptimizeFunctionOnNextCall(foo);
assertTrue(foo(true));
})();
(function() {
function foo(b) {
let x = 0x7FFF_FFFF;
if (b) x = 0;
return 0 < (Math.max(-5 >>> x, -5) % -5);
}
assertTrue(foo(true));
%PrepareFunctionForOptimization(foo);
assertTrue(foo(false));
%OptimizeFunctionOnNextCall(foo);
assertTrue(foo(true));
})();