v8/test/mjsunit/compiler/regress-1195650.js
Georg Neis 01a93417e4 [compiler] Aggressively lower pure dead operations to DeadValue
Bug: chromium:1195650
Change-Id: Ia18c053d54aa62ecafc387688dfb57ee63d2a09c
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2831490
Reviewed-by: Nico Hartmann <nicohartmann@chromium.org>
Commit-Queue: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#74145}
2021-04-23 13:20:02 +00:00

32 lines
774 B
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() {
var gaga = "gaga";
function foo(a) {
let y = Math.min(Infinity ? gaga : Infinity, -0) / 0;
if (a) y = -0;
return y ? 1 : 0;
}
%PrepareFunctionForOptimization(foo);
foo(false);
%OptimizeFunctionOnNextCall(foo);
assertEquals(0, foo(false));
})();
(function() {
var gaga = "gaga";
function foo(a) {
let y = Math.min(Infinity ? gaga : Infinity, -0) % 0;
if (a) y = 1.3;
return y ? 1 : 0;
}
%PrepareFunctionForOptimization(foo);
foo(false);
%OptimizeFunctionOnNextCall(foo);
assertEquals(0, foo(false));
})();