I reproduced this on 5.14.2.
Also happens on this 5.18.0.
Summary of my perl5 (revision 5 version 18 subversion 0) configuration:
Platform:
osname=linux, osvers=3.2.0-44-generic, archname=x86_64-linux
uname='linux thinkingy 3.2.0-44-generic #69-ubuntu smp thu may 16 17:35:01 utc 2013 x86_64 x86_64 x86_64 gnulinux '
config_args='-de -Dprefix=/home/ingy/local/opt/perl5/perlbrew/perls/perl-5.18.0 -Aeval:scriptdir=/home/ingy/local/opt/perl5/perlbrew/perls/perl-5.18.0/bin'
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