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Bug 507295: store unboxed value instead of boxed on the stack for traced JSOP_SETNAME with closures, r=gal

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This commit is contained in:
David Mandelin 2009-07-30 11:37:26 -07:00
parent f7a94971a0
commit d2df37e008
2 changed files with 80 additions and 3 deletions
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7
js/src/jstracer.cpp
View File

@ -9770,10 +9770,11 @@ TraceRecorder::setProp(jsval &l, JSPropCacheEntry* entry, JSScopeProperty* sprop
else
ABORT_TRACE("can't trace special CallClass setter");
LIns* v_ins = get(&v);
box_jsval(v, v_ins);
v_ins = get(&v);
LIns* v_boxed_ins = v_ins;
box_jsval(v, v_boxed_ins);
LIns* args[] = {
v_ins,
v_boxed_ins,
INS_CONST(SPROP_USERID(sprop)),
obj_ins,
cx_ins

76
js/tests/js1_8_1/regress/regress-507295.js Normal file
View File

@ -0,0 +1,76 @@
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is JavaScript Engine testing utilities.
*
* The Initial Developer of the Original Code is
* Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2008
* the Initial Developer. All Rights Reserved.
*
* Contributor(s): Dave Mandelin
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
var gTestfile = 'regress-507295.js';
//-----------------------------------------------------------------------------
var BUGNUMBER = 507295;
var summary = 'TM: assert with using result of assignment to closure var'
var actual = '';
var expect = 'do not crash';
//-----------------------------------------------------------------------------
start_test();
jit(true);
(function () {
var y;
(eval("(function () {\
for (var x = 0; x < 3; ++x) {\
''.replace(/a/, (y = 3))\
}\
});\
"))()
})()
jit(false);
actual = 'do not crash'
finish_test();
//-----------------------------------------------------------------------------
function start_test()
{
enterFunc ('test');
printBugNumber(BUGNUMBER);
printStatus (summary);
}
function finish_test()
{
reportCompare(expect, actual, summary);
exitFunc ('test');
}