(gdb) bt
#0  0x2af1c in Perl_malloc () from /usr/perltest/build/perl-5.6.0/./miniperl
#1  0x9848c in Perl_pregcomp () from /usr/perltest/build/perl-5.6.0/./miniperl
#2  0x1aa38 in Perl_pmruntime () from /usr/perltest/build/perl-5.6.0/./miniperl
#3  0x93c24 in ?? () from /usr/perltest/build/perl-5.6.0/./miniperl
#4  0x2618c in ?? () from /usr/perltest/build/perl-5.6.0/./miniperl
#5  0x255bc in perl_parse () from /usr/perltest/build/perl-5.6.0/./miniperl
#6  0x1492c in main () from /usr/perltest/build/perl-5.6.0/./miniperl