node/deps/v8/test/mjsunit/compiler/string-concat-try-catch.js
Michaël Zasso d82e1075db
deps: update V8 to 6.1.534.36
PR-URL: https://github.com/nodejs/node/pull/14730
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
2017-09-13 16:15:18 +02:00

29 lines
704 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(268435440);
(function() {
function foo(a) {
try {
return "longer than ConsString:kMinLength" + a + "0123456789012";
} catch (e) {
return e;
}
}
foo("a");
foo("a");
// Optimize with string length protector check.
%OptimizeFunctionOnNextCall(foo);
foo("a");
assertInstanceof(foo(a), RangeError);
// Optimize without string length protector check.
%OptimizeFunctionOnNextCall(foo);
foo("a");
assertInstanceof(foo(a), RangeError);
})();