22 lines
638 B
JavaScript
22 lines
638 B
JavaScript
|
// Copyright 2023 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 --turboshaft-assert-types
|
||
|
|
|
||
|
|
const very_close_to_zero = 0.0000000000000000000001;
|
||
|
|
const huge_number = 10**307;
|
||
|
|
|
||
|
|
function test(b) {
|
||
|
|
// We perform an arithmetic operation such that the typer can eliminate
|
||
|
|
// the -0 on a.
|
||
|
|
let a = b - very_close_to_zero;
|
||
|
|
if(a < 0) return a / huge_number;
|
||
|
|
return 42;
|
||
|
|
}
|
||
|
|
|
||
|
|
%PrepareFunctionForOptimization(test);
|
||
|
|
test(-50);
|
||
|
|
%OptimizeFunctionOnNextCall(test);
|
||
|
|
assertEquals(-0, test(-very_close_to_zero));
|