node/deps/v8/test/mjsunit/compiler/regress-628403.js
Ujjwal Sharma f579e11940 deps: update V8 to 7.4.288.13
PR-URL: https://github.com/nodejs/node/pull/26685
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Refael Ackermann <refack@gmail.com>
2019-03-28 16:36:18 -04:00

29 lines
537 B
JavaScript

// Copyright 2016 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 dothrow = false;
function g() {
if (dothrow) throw 1;
}
function f(a) {
try {
g();
} catch(e) {
if (typeof e !== 'number' && e !== 1) throw e;
return a[0];
}
}
%NeverOptimizeFunction(g);
%PrepareFunctionForOptimization(f);
f();
f();
%OptimizeFunctionOnNextCall(f);
dothrow = true;
assertEquals(42, f([42]));