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[perl #101940] Bleadperl v5.15.3-403-g77a6d85 breaks SREZIC/Tk-804.030.tar.gz

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From:
perlbug-followup
Date:
October 21, 2011 21:31
Subject:
[perl #101940] Bleadperl v5.15.3-403-g77a6d85 breaks SREZIC/Tk-804.030.tar.gz
Message ID:
rt-3.6.HEAD-31297-1319257888-567.101940-75-0@perl.org
# New Ticket Created by  (Andreas J. Koenig) 
# Please include the string:  [perl #101940]
# in the subject line of all future correspondence about this issue. 
# <URL: https://rt.perl.org:443/rt3/Ticket/Display.html?id=101940 >


git bisect
----------
  commit 77a6d8568e288ad300ad7f0805946559b4ec28d1
  Author: Karl Williamson <public@khwilliamson.com>
  Date:   Sun Oct 16 12:47:21 2011 -0600

      regexec.c: Less work in /i matching

      If you watch an execution trace of regexec /i, often you will see it
      folding the same thing over and over, as it backtracks or searches
      ahead.  regcomp.c has now been changed to always fold UTF-8 encoded
      EXACTF and EXCACTFU nodes.  This allows these to not be re-folded each
      time.

      This commit does it just for find_by_class().  Other commits will expand
      this technique for other cases.

sample test result
------------------
  http://www.cpantesters.org/cpan/report/b9884d6c-fb62-11e0-9f10-52252ca207e5

perl -V
-------
  Summary of my perl5 (revision 5 version 15 subversion 3) configuration:
    Commit id: 77a6d8568e288ad300ad7f0805946559b4ec28d1
    Platform:
      osname=linux, osvers=2.6.32-5-amd64, archname=x86_64-linux
      uname='linux k83 2.6.32-5-amd64 #1 smp mon oct 3 03:59:20 utc 2011 x86_64 gnulinux '
      config_args='-Dprefix=/home/src/perl/repoperls/installed-perls/perl/v5.15.3-403-g77a6d85/165a -Dmyhostname=k83 -Dinstallusrbinperl=n -Uversiononly -Dusedevel -des -Ui_db -Uuseithreads -Uuselongdouble -DDEBUGGING=-g'
      hint=recommended, useposix=true, d_sigaction=define
      useithreads=undef, usemultiplicity=undef
      useperlio=define, d_sfio=undef, uselargefiles=define, usesocks=undef
      use64bitint=define, use64bitall=define, uselongdouble=undef
      usemymalloc=n, bincompat5005=undef
    Compiler:
      cc='cc', ccflags ='-fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64',
      optimize='-O2 -g',
      cppflags='-fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include'
      ccversion='', gccversion='4.4.5', gccosandvers=''
      intsize=4, longsize=8, ptrsize=8, doublesize=8, byteorder=12345678
      d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=16
      ivtype='long', ivsize=8, nvtype='double', nvsize=8, Off_t='off_t', lseeksize=8
      alignbytes=8, prototype=define
    Linker and Libraries:
      ld='cc', ldflags =' -fstack-protector -L/usr/local/lib'
      libpth=/usr/local/lib /lib/../lib /usr/lib/../lib /lib /usr/lib /lib64 /usr/lib64
      libs=-lnsl -ldb -ldl -lm -lcrypt -lutil -lc
      perllibs=-lnsl -ldl -lm -lcrypt -lutil -lc
      libc=/lib/libc-2.11.2.so, so=so, useshrplib=false, libperl=libperl.a
      gnulibc_version='2.11.2'
    Dynamic Linking:
      dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-Wl,-E'
      cccdlflags='-fPIC', lddlflags='-shared -O2 -g -L/usr/local/lib -fstack-protector'


  Characteristics of this binary (from libperl): 
    Compile-time options: HAS_TIMES PERLIO_LAYERS PERL_DONT_CREATE_GVSV
                          PERL_MALLOC_WRAP PERL_PRESERVE_IVUV PERL_USE_DEVEL
                          USE_64_BIT_ALL USE_64_BIT_INT USE_LARGE_FILES
                          USE_LOCALE USE_LOCALE_COLLATE USE_LOCALE_CTYPE
                          USE_LOCALE_NUMERIC USE_PERLIO USE_PERL_ATOF
    Built under linux
    Compiled at Oct 21 2011 23:10:51
    @INC:
      /home/src/perl/repoperls/installed-perls/perl/v5.15.3-403-g77a6d85/165a/lib/site_perl/5.15.3/x86_64-linux
      /home/src/perl/repoperls/installed-perls/perl/v5.15.3-403-g77a6d85/165a/lib/site_perl/5.15.3
      /home/src/perl/repoperls/installed-perls/perl/v5.15.3-403-g77a6d85/165a/lib/5.15.3/x86_64-linux
      /home/src/perl/repoperls/installed-perls/perl/v5.15.3-403-g77a6d85/165a/lib/5.15.3
      .

credits
-------

Thanks to Slaven for spotting the first fail reports.


-- 
andreas


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