Perl from Debian's unstable version segfaults:

skx@mystery:~$ cat t.pl

#!/usr/bin/perl
use strict;
use warnings;

my $string = "abc";

while( $string =~ /b/g ) {
    print "@-\n";
}

skx@mystery:~$ perl t.pl
Segmentation fault
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Version information:

skx@mystery:~$ perl --version
This is perl, v5.8.4 built for i386-linux-thread-multi
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dpkg shows the perl package as v5.8.4-8