v8/test/mjsunit/regress/regress-1223733.js
Mythri A 137d83b9b6 [turboprop] Handle MinimorphicPropertyAccess in ShouldUseMegamorphic
It is possible that we fallback to GenericLowering for minimorphic
property accesses. So handle MinimorphicPropertyAccess in
ShouldUseMegamorphicLoadBuiltin.

Bug: chromium:1223733
Change-Id: Ia1ba8c8786be91dda841d4138cffe81185c066b0
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2997104
Commit-Queue: Mythri Alle <mythria@chromium.org>
Reviewed-by: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#75505}
2021-07-01 12:47:58 +00:00

17 lines
553 B
JavaScript

// Copyright 2021 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 --turboprop --turbo-dynamic-map-checks
function main() {
// Store something onto a function prototype so we will bailout of the
// function.prototype load optimization in NativeContextSpecialization.
isNaN.prototype = 14;
const v14 = isNaN.prototype;
}
%PrepareFunctionForOptimization(main);
main();
%OptimizeFunctionOnNextCall(main);
main();