v8/test/mjsunit/regress/regress-crbug-752826.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
529 B
JavaScript

// Copyright 2017 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 h(a) {
return a[1];
}
assertEquals(0, h(new Int8Array(10)));
assertEquals(0, h(new Int8Array(10)));
function g() {
return h(arguments);
}
function f() {
return g(23, 42);
};
%PrepareFunctionForOptimization(f);
assertEquals(42, f());
assertEquals(42, f());
%OptimizeFunctionOnNextCall(f);
assertEquals(42, f());