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>
19 lines
528 B
JavaScript
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);
|