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# New Ticket Created by Danijel Tasov
# Please include the string: [perl #132638]
# in the subject line of all future correspondence about this issue.
# <URL: https://rt.perl.org/Ticket/Display.html?id=132638 >
This is a bug report for perl from data@cpan.org,
generated with the help of perlbug 1.40 running under perl 5.26.1.
-----------------------------------------------------------------
[Please describe your issue here]
Hi,
i've run accross a segmentation fault with the following script:
package Clock;
use 5.010;
use strict;
use overload
'+' => \&add_time,
'-' => \&sub_time,
'eq' => \&equals_to,
'""' => \&to_string;
sub equals_to{ $_[0] eq $_[1] }
sub to_string { sprintf '%02d:%02d', $_[0][0] // 0, $_[0][1] // 0; }
sub new { bless( $_[1], $_[0] ); }
package main;
Clock->new([8,0]) eq "08:00"
__END__
The SIGSEGV goes away when I change equals_to to:
sub equals_to{ $_[0]->to_string eq $_[1] }
bye,
Danijel
[Please do not change anything below this line]
-----------------------------------------------------------------
---
Flags:
category=core
severity=low
---
Site configuration information for perl 5.26.1:
Configured by danielt at Thu Dec 21 07:13:42 CET 2017.
Summary of my perl5 (revision 5 version 26 subversion 1) configuration:
Platform:
osname=linux
osvers=4.9.57
archname=x86_64-linux
uname='linux banjo.rbfh.de 4.9.57 #1 smp sat oct 21 15:46:05 cest 2017 x86_64 gnulinux '
config_args='-de -Dprefix=/opt/perl/perls/perl-5.26.1 -Aeval:scriptdir=/opt/perl/perls/perl-5.26.1/bin'
hint=recommended
useposix=true
d_sigaction=define
useithreads=undef
usemultiplicity=undef
use64bitint=define
use64bitall=define
uselongdouble=undef
usemymalloc=n
default_inc_excludes_dot=define
bincompat5005=undef
Compiler:
cc='cc'
ccflags ='-fwrapv -fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_FORTIFY_SOURCE=2'
optimize='-O2'
cppflags='-fwrapv -fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include'
ccversion=''
gccversion='4.7.2'
gccosandvers=''
intsize=4
longsize=8
ptrsize=8
doublesize=8
byteorder=12345678
doublekind=3
d_longlong=define
longlongsize=8
d_longdbl=define
longdblsize=16
longdblkind=3
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 /usr/lib/gcc/x86_64-linux-gnu/4.7/include-fixed /usr/include/x86_64-linux-gnu /usr/lib /lib/x86_64-linux-gnu /lib/../lib /usr/lib/x86_64-linux-gnu /usr/lib/../lib /lib
libs=-lpthread -lnsl -lgdbm -ldb -ldl -lm -lcrypt -lutil -lc -lgdbm_compat
perllibs=-lpthread -lnsl -ldl -lm -lcrypt -lutil -lc
libc=
so=so
useshrplib=false
libperl=libperl.a
gnulibc_version='2.13'
Dynamic Linking:
dlsrc=dl_dlopen.xs
dlext=so
d_dlsymun=undef
ccdlflags='-Wl,-E'
cccdlflags='-fPIC'
lddlflags='-shared -O2 -L/usr/local/lib -fstack-protector'
---
@INC for perl 5.26.1:
/opt/perl/perls/perl-5.26.1/lib/site_perl/5.26.1/x86_64-linux
/opt/perl/perls/perl-5.26.1/lib/site_perl/5.26.1
/opt/perl/perls/perl-5.26.1/lib/5.26.1/x86_64-linux
/opt/perl/perls/perl-5.26.1/lib/5.26.1
---
Environment for perl 5.26.1:
HOME=/home/danielt
LANG=C
LANGUAGE=C
LC_CTYPE=de_DE.UTF-8
LD_LIBRARY_PATH (unset)
LOGDIR (unset)
PATH=/opt/perl/bin:/opt/perl/perls/perl-5.26.1/bin:/usr/local/go/bin:/home/danielt/.nvm/v8.1.4/bin:/opt/python/2_007_008/bin:/opt/aperl/bin:/home/danielt/bin:/home/danielt/unix/bin:/usr/opt/bin:/usr/local/bin:/usr/local/sbin:/usr/X11R6/bin/xscreensaver-hacks/:/sbin:/bin:/usr/sbin:/usr/bin:/usr/games:/usr/local/bin:/usr/X11R6/bin:/home/danielt/bin:/usr/pkg/bin:/usr/pkg/sbin:/home/danielt/.rvm/bin
PERLBREW_BASHRC_VERSION=0.73
PERLBREW_HOME=/home/danielt/.perlbrew
PERLBREW_MANPATH=/opt/perl/perls/perl-5.26.1/man
PERLBREW_PATH=/opt/perl/bin:/opt/perl/perls/perl-5.26.1/bin
PERLBREW_PERL=perl-5.26.1
PERLBREW_ROOT=/opt/perl
PERLBREW_SHELLRC_VERSION=0.82
PERLBREW_VERSION=0.82
PERL_BADLANG (unset)
PERL_CPANM_OPT=--skip-installed --prompt --mirror http://cpan.cpantesters.org
SHELL=/bin/zsh
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