Re: PCRE jit bug with UTF-8 and lookbehind assertion

Am 21.02.2016 um 11:42 schrieb Anatol Belski <anatol.php@belski.net>: >> -----Original Message----- >> From: Ángel González [mailto:keisial@gmail.com] >> Sent: Sunday, February 21, 2016 1:27 AM >> To: Anatol Belski <anatol.php@belski.net> >> Cc: 'Christian Schneider' <cschneid@cschneid.com>; 'PHP >> internals' >> <internals@lists.php.net> >> Subject: Re: [PHP-DEV] PCRE jit bug with UTF-8 and lookbehind assertion >> >> On 19/02/16 09:20, Anatol Belski wrote: >>> Could you please write back, what is the out difference between those >>> two commands? Thanks. Anatol >> In the first case, it correctly outputs «x°11» (78 c2 b0 7a). With jit enabled it >> produces «x z» (78 c2 7a). That is, it is only outputting the lower byte of the utf-8 >> encoding of the U+00B0 character Tested on PHP 7.0.3 using the system libpcre >> 8.38 >> > Were you putting the snippets into a file or testing on the console? I had an issue while > testing this on the console, that some chars was partially swallowed by terminal (which was a utf-8 > terminal). When putting into a file, the output is same for both - "x°z". Please see also > the continued discussion in the original ticket > https://bugs.exim.org/show_bug.cgi?id=1189 . The offsets delivered > by PCRE also seem to be correct, and valgrind doesn't find anything. It were great if you > could confirm these insights. I can reproduce it in a console and in a file. PCRE Library Version => 8.38 2015-11-23 I also reproduced it with a C program directly using the system PCRE library, no PHP involved. I attached the C source to https://bugs.exim.org/show_bug.cgi?id=1189 Regards, - Chris