v8/test/mjsunit/regress/regress-1034449.js
Jakob Kummerow b5a33ebafe [test] Make a few tests robust to GC stress
A recent unrelated change caused these tests to get unlucky in
GC stress mode. Their "assertOptimized" expectations rely on
certain type feedback data not getting flushed at the wrong time.

Bug: v8:10846
Change-Id: I86d0b0c049539e4a69aa764cc6ec92465ca12beb
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2381458
Reviewed-by: Maya Lekova <mslekova@chromium.org>
Commit-Queue: Maya Lekova <mslekova@chromium.org>
Auto-Submit: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#69617}
2020-08-31 08:37:16 +00:00

31 lines
811 B
JavaScript

// Copyright 2020 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 --opt --no-always-opt
// Flags: --no-stress-flush-bytecode
function f(len) {
return new Array(len);
}
%PrepareFunctionForOptimization(f);
assertEquals(3, f(3).length);
assertEquals(18, f(18).length);
%OptimizeFunctionOnNextCall(f);
assertEquals(4, f(4).length);
assertOptimized(f);
let a = f("8");
assertUnoptimized(f);
assertEquals(1, a.length);
assertEquals("8", a[0]);
// Check there is no deopt loop.
%PrepareFunctionForOptimization(f);
assertEquals(1, f(1).length);
%OptimizeFunctionOnNextCall(f);
assertEquals(8, f(8).length);
assertOptimized(f);
assertEquals(1, f("8").length);
assertOptimized(f);