Mercurial > people > rkennke > jdk9-shenandoah-final > nashorn
changeset 242:80cb02dedc83
8013729: SwitchPoint invalidation not working over prototype chain
Reviewed-by: lagergren, sundar
| author | hannesw |
|---|---|
| date | Thu, 02 May 2013 09:19:44 +0200 |
| parents | b754fb89367d |
| children | 9c2376a250b6 |
| files | src/jdk/nashorn/internal/runtime/ScriptObject.java test/script/basic/JDK-8013729.js test/script/basic/JDK-8013729.js.EXPECTED |
| diffstat | 3 files changed, 56 insertions(+), 0 deletions(-) [+] |
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--- a/src/jdk/nashorn/internal/runtime/ScriptObject.java Tue Apr 30 10:05:42 2013 -0300 +++ b/src/jdk/nashorn/internal/runtime/ScriptObject.java Thu May 02 09:19:44 2013 +0200 @@ -1325,6 +1325,9 @@ * Flag this object as having a prototype. */ public void setIsPrototype() { + if (proto != null && !isPrototype()) { + proto.addPropertyListener(this); + } flags |= IS_PROTOTYPE; }
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/script/basic/JDK-8013729.js Thu May 02 09:19:44 2013 +0200 @@ -0,0 +1,49 @@ +/* + * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +/** + * JDK-8013729: SwitchPoint invalidation not working over prototype chain + * + * @test + * @run + */ + +var a = {x: 1}; +var b = Object.create(a, {y: {value: 2, configurable: true, writable: true}}); +var c = Object.create(b); +var d = Object.create(c); + +function p() { + print(d.x); + print(d.y); +} + +p(); + +// Delete, then redefine properties +delete a.x; +delete b.y; +a.x = 10; +b.y = 20; + +p();