v8/test/mjsunit/compiler/regress-958021.js
Mathias Bynens c6a16c10dd [test] Add %PrepareForOptimization to even more tests
With bytecode flushing and lazy feedback allocation, we need to call
%PrepareForOptimization before we call %OptimizeFunctionOnNextCall,
ideally after declaring the function.

Bug: v8:8801, v8:8394, v8:9183
Change-Id: I3fb257282a30f6526a376a3afdedb44786320d34
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1648255
Commit-Queue: Mathias Bynens <mathias@chromium.org>
Reviewed-by: Maya Lekova <mslekova@chromium.org>
Reviewed-by: Mythri Alle <mythria@chromium.org>
Cr-Commit-Position: refs/heads/master@{#62119}
2019-06-12 14:40:14 +00:00

24 lines
551 B
JavaScript

// Copyright 2019 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 v0() {
let v7 = -4294967295;
try {
for (let v11 = 0; v11 < 8; v11++) {
const v13 = Symbol.isConcatSpreadable;
const v14 = v11 && v13;
const v15 = v7 <= v14;
for (var i = 0; i < 10; i++) {}
}
} catch (v20) {
}
};
%PrepareFunctionForOptimization(v0);
v0();
v0();
%OptimizeFunctionOnNextCall(v0);
v0();