[perl #62444] dies in recursion on some regexes

["vany@vany.yandex.ru (via RT)" <perlbug-followup@perl.org>]

# New Ticket Created by  vany@vany.yandex.ru 
# Please include the string:  [perl #62444]
# in the subject line of all future correspondence about this issue. 
# <URL: http://rt.perl.org/rt3/Ticket/Display.html?id=62444 >


This is a bug report for perl from vany@vany.yandex.ru,
generated with the help of perlbug 1.39 running under perl v5.8.9.


-----------------------------------------------------------------

vany:~$perl -wle '(1 x $_) !~ /^(1{2,}?){2,}$/ && print while ++ $_'
1
2
3
Segmentation fault: 11 (core dumped)

-----------------------------------------------------------------
---
Flags:
    category=core
    severity=high
---
Site configuration information for perl v5.8.9:

Configured by vany at Thu Jan 15 03:55:43 MSK 2009.

Summary of my perl5 (revision 5 version 8 subversion 9) configuration:
  Platform:
    osname=freebsd, osvers=8.0-current, archname=i386-freebsd-thread-multi-64int
    uname='freebsd vany.yandex.ru 8.0-current freebsd 8.0-current #2: thu jan 15 02:14:41 msk 2009 root@vany.yandex.ru:optobjoptsrcsysvwn i386 '
    config_args='-sde -Dprefix=/usr/local -Darchlib=/usr/local/lib/perl5/5.8.9/mach -Dprivlib=/usr/local/lib/perl5/5.8.9 -Dman3dir=/usr/local/lib/perl5/5.8.9/perl/man/man3 -Dman1dir=/usr/local/man/man1 -Dsitearch=/usr/local/lib/perl5/site_perl/5.8.9/mach -Dsitelib=/usr/local/lib/perl5/site_perl/5.8.9 -Dscriptdir=/usr/local/bin -Dsiteman3dir=/usr/local/lib/perl5/5.8.9/man/man3 -Dsiteman1dir=/usr/local/man/man1 -Ui_malloc -Ui_iconv -Uinstallusrbinperl -Dcc=cc -Duseshrplib -Dinc_version_list=none -Dccflags=-DAPPLLIB_EXP="/usr/local/lib/perl5/5.8.9/BSDPAN" -Doptimize=-O2 -pipe -march=prescott -fno-strict-aliasing -Ud_dosuid -Ui_gdbm -Dusethreads=y -Dusemymalloc=n -Duse64bitint'
    hint=recommended, useposix=true, d_sigaction=define
    usethreads=define use5005threads=undef useithreads=define usemultiplicity=define
    useperlio=define d_sfio=undef uselargefiles=define usesocks=undef
    use64bitint=define use64bitall=undef uselongdouble=undef
    usemymalloc=n, bincompat5005=undef
  Compiler:
    cc='cc', ccflags ='-DAPPLLIB_EXP="/usr/local/lib/perl5/5.8.9/BSDPAN" -DHAS_FPSETMASK -DHAS_FLOATINGPOINT_H -fno-strict-aliasing -pipe -I/usr/local/include',
    optimize='-O2 -pipe -march=prescott -fno-strict-aliasing',
    cppflags='-DAPPLLIB_EXP="/usr/local/lib/perl5/5.8.9/BSDPAN" -DHAS_FPSETMASK -DHAS_FLOATINGPOINT_H -fno-strict-aliasing -pipe -I/usr/local/include'
    ccversion='', gccversion='4.2.1 20070719  [FreeBSD]', gccosandvers=''
    intsize=4, longsize=4, ptrsize=4, doublesize=8, byteorder=12345678
    d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=12
    ivtype='long long', ivsize=8, nvtype='double', nvsize=8, Off_t='off_t', lseeksize=8
    alignbytes=4, prototype=define
  Linker and Libraries:
    ld='cc', ldflags ='-pthread -Wl,-E  -L/usr/local/lib'
    libpth=/usr/lib /usr/local/lib
    libs=-lgdbm -lm -lcrypt -lutil
    perllibs=-lm -lcrypt -lutil
    libc=, so=so, useshrplib=true, libperl=libperl.so
    gnulibc_version=''
  Dynamic Linking:
    dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='  -Wl,-R/usr/local/lib/perl5/5.8.9/mach/CORE'
    cccdlflags='-DPIC -fPIC', lddlflags='-shared  -L/usr/local/lib'

Locally applied patches:
    defined-or

---
@INC for perl v5.8.9:
    /home/ivans/cvs/Vsem/lib
    /usr/local/lib/perl5/5.8.9/BSDPAN
    /usr/local/lib/perl5/site_perl/5.8.9/mach
    /usr/local/lib/perl5/site_perl/5.8.9
    /usr/local/lib/perl5/5.8.9/mach
    /usr/local/lib/perl5/5.8.9
    .

---
Environment for perl v5.8.9:
    HOME=/opt/home/vany
    LANG=C
    LANGUAGE (unset)
    LC_ALL=ru_RU.KOI8-R
    LD_LIBRARY_PATH (unset)
    LOGDIR (unset)
    PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin:/opt/home/vany/bin:/sbin:/usr/local/jdk1.6/bin:/usr/local/kde4/bin
    PERLLIB=/home/ivans/cvs/Vsem/lib
    PERL_BADLANG (unset)
    SHELL=/usr/local/bin/bash

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Follow-Ups from:

Abigail <abigail@abigail.be>

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