node/deps/v8/test/mjsunit/const-tracking-let-initial-value-maglev.js
Michaël Zasso 1d29d81c69 deps: update V8 to 12.3.219.16
PR-URL: https://github.com/nodejs/node/pull/52293
Reviewed-By: Moshe Atlow <moshe@atlow.co.il>
Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>
Reviewed-By: Richard Lau <rlau@redhat.com>
2024-04-19 08:39:47 +00:00

28 lines
720 B
JavaScript

// Copyright 2024 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: --const-tracking-let --allow-natives-syntax
// Flags: --turbofan --no-always-turbofan --maglev --no-stress-maglev
// Flags: --sparkplug --no-always-sparkplug
function read() {
// This will assert that the value initialization was tracked correctly.
a++;
}
// Tier up to Maglev.
const topLevel = %GetFunctionForCurrentFrame();
%PrepareFunctionForOptimization(topLevel);
// Need a back edge for OSR to happen:
for (let i = 0; i < 3; ++i) {
if (i == 1) {
%OptimizeOsr();
}
}
// This is handled in Maglev code.
let a = 8;
read();