054af8477c
R=mythria@chromium.org Bug: v8:9183 Change-Id: Id7c29452ef6d643b59eb3252df188bf288e2de23 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1660469 Reviewed-by: Mythri Alle <mythria@chromium.org> Commit-Queue: Andreas Haas <ahaas@chromium.org> Cr-Commit-Position: refs/heads/master@{#62168}
25 lines
498 B
JavaScript
25 lines
498 B
JavaScript
// Copyright 2016 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
|
|
|
|
var a = {}
|
|
var b = {}
|
|
a.x = 1;
|
|
a.y = 1;
|
|
b.x = 1;
|
|
|
|
function foo(c) {
|
|
var s = 0;
|
|
for (var p in c) { s++; }
|
|
return s;
|
|
}
|
|
%PrepareFunctionForOptimization(foo);
|
|
|
|
assertEquals(2, foo(a));
|
|
assertEquals(1, foo(b));
|
|
%OptimizeFunctionOnNextCall(foo);
|
|
assertEquals(2, foo(a));
|
|
assertEquals(1, foo(b));
|