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92 lines
5.8 KiB
92 lines
5.8 KiB
16 years ago
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// Copyright 2009 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// See issue 231 <URL: http://code.google.com/p/v8/issues/detail?id=231 >
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// A stack growth during a look-ahead could restore a pointer to the old stack.
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// (Test derived from crash at ibs.blumex.com).
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var re = /Ggcy\b[^D]*D((?:(?=([^G]+))\2|G(?!gcy\b[^D]*D))*?)GIgcyD/;
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var str = 'GgcyDGgcy.saaaa.aDGaaa.aynaaaaaaaaacaaaaagcaaaaaaaancaDGgnayr' +
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'.aryycnaaaataaaa.aryyacnaaataaaa.aaaaraaaaa.aaagaaaaaaaaDGgaaaaDGga' +
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'.aaagaaaaaaaaDGga.nyataaaaragraa.anyataaagaca.agayraaarataga.aaacaa' +
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'.aaagaa.aaacaaaDGaaa.aynaaaaaaaaacaaaaagcaaaaaacaagaa.agayraaaGgaaa' +
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'.trgaaaaaagaatGanyara.caagaaGaD.araaaa_aat_aayDDaaDGaaa.aynaaaaaaaa' +
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'acaaaaagcaaaaaacaaaaa.agayraaaGgaaa.trgaaaaaaatGanyaraDDaaDGacna.ay' +
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'naaaaaaaaacaaaaagcaaaaaacaaaraGgaaa.naaaaagaaaaaaraynaaGanyaraDDaaD' +
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'aGgaaa.saaangaaaaraaaGgaaa.trgaaaragaaaarGanyaraDDDaGIacnaDGIaaaDGI' +
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'aaaDGIgaDGga.anyataaagaca.agayraaaaagaa.aaaaa.cnaaaata.aca.aca.aca.' +
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'acaaaDGgnayr.aaaaraaaaa.aaagaaaaaaaaDGgaaaaDGgaDGga.aayacnaaaaa.ayn' +
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'aaaaaaaaacaaaaagcaaaaaanaraDGaDacaaaaag_anaraGIaDGIgaDGIgaDGgaDGga.' +
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'aayacnaaaaa.aaagaaaaaaaaDGaa.aaagaaaaaaaa.aaaraaaa.aaaanaraaaa.IDGI' +
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'gaDGIgaDGgaDGga.aynaaaaaaaaacaaaaagcaaaaaaaraaaa.anyataaagacaDaGgaa' +
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'a.trgGragaaaacgGaaaaaaaG_aaaaa_Gaaaaaaaaa,.aGanar.anaraDDaaGIgaDGga' +
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'.aynaaaaaaaaacaaaaagcaaaaaaanyara.anyataaagacaDGaDaaaaag_caaaaag_an' +
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'araGIaDGIgaDGIgaDGgaDGga.aynaaaaaaaaacaaaaagcaaaaaaaraaaa.anyataaag' +
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'acaDaGgaaa.trgGragaaaacgGaaaaaaaG_aaaaa_aaaaaa,.aaaaacaDDaaGIgaDGga' +
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'.aynaaaaaaaaacaaaaagcaaaaaaanyara.anyataaagacaDGaDataaac_araaaaGIaD' +
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'GIgaDGIgaDaagcyaaGgaDGga.aayacnaaaaa.aaagaaaaaaaaDGaa.aaagaaaaaaaa.' +
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'aaaraaaa.aaaanaraaaa.IDGIgaDGIgaDGgcy.asaadanyaga.aa.aaaDGgaDGga.ay' +
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'naaaaaaaaacaaaaagcaaaaaaaraaaa.anyataaagacaDaGgaaa.trgGragaaaacgGaa' +
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'aaaaaG_aaaaa_DaaaaGaa,.aDanyagaaDDaaGIgaDGga.aynaaaaaaaaacaaaaagcaa' +
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'aaaaanyara.anyataaagacaDGaDadanyagaaGIaDGIgaDGIgaDGIgcyDGgcy.asaaga' +
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'cras.agra_yratga.aa.aaaarsaaraa.aa.agra_yratga.aa.aaaDGgaDGga.aynaa' +
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'aaaaaaacaaaaagcaaaaaaaraaaa.anyataaagacaDaGgaaa.trgGragaaaacgGaaaaa' +
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'aaG_aaaaa_aGaaaaaaGaa,.aaratgaaDDaaGIgaDGga.aynaaaaaaaaacaaaaagcaaa' +
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'aaaanyara.anyataaagacaDGaDaagra_yratgaaGIaDGIgaDGIgaDGIgcyDGgcy.asa' +
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'agacras.aratag.aa.aaaarsaaraa.aa.aratag.aa.aaaDGgaDGga.aynaaaaaaaaa' +
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'caaaaagcaaaaaaaraaaa.anyataaagacaDaGgaaa.trgGragaaaacgGaaaaaaaG_aaa' +
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'aa_aaaaaGa,.aaratagaDDaaGIgaDGga.aynaaaaaaaaacaaaaagcaaaaaaanyara.a' +
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'nyataaagacaDGaDaaratagaGIaDGIgaDGIgaDGIgcyDGgcy.asaagacras.gaaax_ar' +
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'atag.aa.aaaarsaaraa.aa.gaaax_aratag.aa.aaaDGgaDGga.aynaaaaaaaaacaaa' +
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'aagcaaaaaaaraaaa.anyataaagacaDaGgaaa.trgGragaaaacgGaaaaaaaG_aaaaa_G' +
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'aaaaaaaaaGa,.aaratagaDDaaGIgaDGga.aynaaaaaaaaacaaaaagcaaaaaaanyara.' +
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'anyataaagacaDGaDagaaax_aratagaGIaDGIgaDGIgaDGIgcyDGgcy.asaagacras.c' +
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'ag_aaar.aa.aaaarsaaraa.aa.cag_aaar.aa.aaaDGgaDGga.aynaaaaaaaaacaaaa' +
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'agcaaaaaaaraaaa.anyataaagacaDaGgaaa.trgGragaaaacgGaaaaaaaG_aaaaa_aa' +
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'Gaaaaa,.aaagaaaraDDaaGIgaDGga.aynaaaaaaaaacaaaaagcaaaaaaanyara.anya' +
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'taaagacaDGaDacag_aaaraGIaDGIgaDGIgaDGIgcyDGgcy.asaagacras.aaggaata_' +
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'aa_cynaga_cc.aa.aaaarsaaraa.aa.aaggaata_aa_cynaga_cc.aa.aaaDGgaDGga' +
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'.aynaaaaaaaaacaaaaagcaaaaaaaraaaa.anyataaagacaDaGgaaa.trgGragaaaacg' +
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'GaaaaaaaG_aaaaa_aaGGaaaa_aa_aaaaGa_aaa,.aaynagaIcagaDDaaGIgaDGga.ay' +
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'naaaaaaaaacaaaaagcaaaaaaanyara.anyataaagacaDGaDaaaggaata_aa_cynaga_' +
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'ccaGIaDGIgaDGIgaDGIgcyDGgcy.asaagacras.syaara_aanargra.aa.aaaarsaar' +
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'aa.aa.syaara_aanargra.aa.aaaDGgaDGga.aynaaaaaaaaacaaaaagcaaaaaaaraa' +
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'aa.anyataaagacaDaGgaaa.trgGragaaaacgGaaaaaaaG_aaaaa_aaaaaaaaaaaGaaa' +
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',.aaanargraaDDaaGIgaDGga.aynaaaaaaaaacaaaaagcaaaaaaanyara.anyataaag' +
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'acaDGaDasyaara_aanargraaGIaDGIgaDGIgaDGIgcyDGgcy.asaagacras.cynag_a' +
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'anargra.aa.aaaarsaaraa.aa.cynag_aanargra.aa.aaaDGgaDGga.aynaaaaaaaa' +
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'acaaaaagcaaaaaaaraaaa.anyataaagacaDaGgaaa.trgGragaaaacgGaaaaaaaG_aa' +
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'aaa_aaaaGaaaaaGaaa,.aaanargraaDDaaGIgaDGga.aynaaaaaaaaacaaaaagcaaaa' +
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'aaanyara.anyataaagacaDGaDacynag_aanargraaGIaDGIgaDGIgaDGIgcyDGgaDGg' +
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'a.aynaaaaaaaaacaaaaagcaaaaaaaraaaa.anyataaagacaDaGgaaa.trgGragaaaac' +
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'gGaaaaaaaG';
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//Shouldn't crash.
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var res = re.test(str);
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assertTrue(res);
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