node/deps/v8/test/mjsunit/compiler/string-concat-try-catch.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

31 lines
793 B
JavaScript

// Copyright 2017 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 a = "a".repeat(%StringMaxLength());
(function() {
function foo(a) {
try {
return "longer than ConsString:kMinLength" + a + "0123456789012";
} catch (e) {
return e;
}
}
%PrepareFunctionForOptimization(foo);
foo("a");
foo("a");
// Optimize with string length protector check.
%OptimizeFunctionOnNextCall(foo);
foo("a");
assertInstanceof(foo(a), RangeError);
// Optimize without string length protector check.
%PrepareFunctionForOptimization(foo);
%OptimizeFunctionOnNextCall(foo);
foo("a");
assertInstanceof(foo(a), RangeError);
})();