6904a8120b
.. mostly mentions in mjsunit `Flags:` lines and in comments. Bug: v8:10386 Change-Id: If79dfdc448d0a3f19883ef1f816e77e750cb4061 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3865964 Commit-Queue: Jakob Linke <jgruber@chromium.org> Reviewed-by: Michael Achenbach <machenbach@chromium.org> Reviewed-by: Leszek Swirski <leszeks@chromium.org> Cr-Commit-Position: refs/heads/main@{#82852}
32 lines
956 B
JavaScript
32 lines
956 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 --noenable-slow-asserts
|
|
// This test triggers optimization manually, no stress mode necessary.
|
|
// Flags: --noalways-turbofan
|
|
|
|
// This call ensures that TurboFan won't inline array constructors.
|
|
Array(2 ** 30);
|
|
|
|
// Set up a fast holey smi array, and generate optimized code.
|
|
let a = [1, 2, , , , 3];
|
|
function mapping(a) {
|
|
return a.map(v => v);
|
|
};
|
|
%PrepareFunctionForOptimization(mapping);
|
|
mapping(a);
|
|
mapping(a);
|
|
%OptimizeFunctionOnNextCall(mapping);
|
|
mapping(a);
|
|
|
|
// Now lengthen the array, but ensure that it points to a non-dictionary
|
|
// backing store.
|
|
a.length = 32 * 1024 * 1024 - 1;
|
|
a.fill(1, 0);
|
|
a.push(2);
|
|
a.length += 500;
|
|
// Now, the non-inlined array constructor should produce an array with
|
|
// dictionary elements: causing a crash.
|
|
mapping(a);
|