v8/test/mjsunit/compiler/regress-888923.js
Jaroslav Sevcik 52a9e67a47 [turbofan] Fix ObjectCreate's side effect annotation.
Bug: chromium:888923
Change-Id: Ifb22cd9b34f53de3cf6e47cd92f3c0abeb10ac79
Reviewed-on: https://chromium-review.googlesource.com/1245763
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Commit-Queue: Jaroslav Sevcik <jarin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56236}
2018-09-26 12:02:11 +00:00

32 lines
668 B
JavaScript

// Copyright 2018 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() {
function f(o) {
o.x;
Object.create(o);
return o.y.a;
}
f({ x : 0, y : { a : 1 } });
f({ x : 0, y : { a : 2 } });
%OptimizeFunctionOnNextCall(f);
assertEquals(3, f({ x : 0, y : { a : 3 } }));
})();
(function() {
function f(o) {
let a = o.y;
Object.create(o);
return o.x + a;
}
f({ x : 42, y : 21 });
f({ x : 42, y : 21 });
%OptimizeFunctionOnNextCall(f);
assertEquals(63, f({ x : 42, y : 21 }));
})();