v8/test/mjsunit/regress/regress-crbug-645888.js
Fanchen Kong 9f902b7483 [turbofan] Making OSR concurrent
... to reduce compilation overhead on the main thread for OSR

Bug: v8:12161
Change-Id: I54ca5fa6201405daf92dac9cf51d5de4b46577b3
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3369361
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Commit-Queue: Fanchen Kong <fanchen.kong@intel.com>
Cr-Commit-Position: refs/heads/main@{#79188}
2022-02-21 09:40:10 +00:00

23 lines
519 B
JavaScript

// Copyright 2016 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
function f() {
for (var i = 0; i < 3; ++i) {
if (i == 1) {
%OptimizeOsr(0, "concurrent");
}
if (i == 2) {
%OptimizeOsr(0, "concurrent");
break; // Trigger next loop.
}
}
while (true) {
throw "no loop, thank you";
}
}
%PrepareFunctionForOptimization(f);
assertThrows(f);