v8/test/mjsunit/regress/regress-v8-5009.js
ishell 9fa206e1f4 [runtime] Ensure that all elements kind transitions are chained to the root map.
This CL also updates the elements kind transition lookup logic:
1) First we go back to the root map,
2) Follow elements kind transitions,
3) Replay the property transitions.

BUG=v8:5009
LOG=Y
TBR=bmeurer@chromium.org

Review-Url: https://codereview.chromium.org/2015513002
Cr-Commit-Position: refs/heads/master@{#36652}
2016-06-01 15:55:11 +00:00

62 lines
770 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.
function fn1() {
}
function fn2() {
}
function fn3() {
}
function create(id) {
// Just some `FunctionTemplate` to hang on
var o = new version();
o.id = id;
o[0] = null;
return o;
}
function setM1(o) {
o.m1 = fn1;
}
function setM2(o) {
o.m2 = fn2;
}
function setAltM2(o) {
// Failing StoreIC happens here
o.m2 = fn3;
}
function setAltM1(o) {
o.m1 = null;
}
function test(o) {
o.m2();
o.m1();
}
var p0 = create(0);
var p1 = create(1);
var p2 = create(2);
setM1(p0);
setM1(p1);
setM1(p2);
setM2(p0);
setAltM2(p0);
setAltM1(p0);
setAltM2(p1);
setAltM2(p2);
test(p2);