node/deps/v8/test/mjsunit/compiler/string-or-string-wrapper-cons.js
Michaël Zasso 7772a2df9d
deps: update V8 to 14.1.146.11
PR-URL: https://github.com/nodejs/node/pull/59805
Reviewed-By: Filip Skokan <panva.ip@gmail.com>
Reviewed-By: Richard Lau <richard.lau@ibm.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
2025-10-04 18:47:18 +02:00

19 lines
528 B
JavaScript

// Copyright 2025 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 --turbofan
var stringConstant = 'a long enough string constant';
function foo(s) {
return stringConstant + s;
}
%PrepareFunctionForOptimization(foo);
foo(new String(' and more stuff'));
%OptimizeFunctionOnNextCall(foo);
let result = foo(new String(' and more'));
assertFalse(%StringIsFlat(result));
assertOptimized(foo);