c6a16c10dd
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}
32 lines
714 B
JavaScript
32 lines
714 B
JavaScript
// Copyright 2014 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 assertSame(expected, found) {
|
|
if (found === expected) {
|
|
if (expected !== 0 || 1 / expected == 1 / found) return;
|
|
}
|
|
return;
|
|
};
|
|
|
|
function foo(x) {
|
|
return x.bar;
|
|
};
|
|
%PrepareFunctionForOptimization(foo);
|
|
function getter1() {
|
|
assertSame(this, this);
|
|
}
|
|
var o1 = Object.defineProperty({}, "bar", { get: getter1 });
|
|
foo(o1);
|
|
foo(o1);
|
|
|
|
function getter2() {
|
|
assertSame(this, this);
|
|
}
|
|
var o2 = Object.defineProperty({}, "bar", { get: getter2 });
|
|
foo(o2);
|
|
%OptimizeFunctionOnNextCall(foo);
|
|
foo(o2);
|