v8/test/mjsunit/compiler/string-concat-try-catch.js
Peter Marshall e8c9649e25 [builtins] Increase the maximum string length on 64-bit platforms.
Increase from 2^28 - 16 to 2^30 - 25 for 64-bit platforms.

Bug: v8:6148
Cq-Include-Trybots: master.tryserver.chromium.linux:linux_chromium_rel_ng
Change-Id: I3529d7ed757a7ab49a001af8641cf888db171cdb
Reviewed-on: https://chromium-review.googlesource.com/570047
Reviewed-by: Yang Guo <yangguo@chromium.org>
Commit-Queue: Peter Marshall <petermarshall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#46838}
2017-07-24 10:38:55 +00:00

29 lines
713 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;
}
}
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);
})();