From @andk

Kudos to Slaven Rezić for discovering this.

bisect

commit c5f78d0
Author​: Father Chrysostomos <sprout@​cpan.org>
Date​: Tue Mar 17 22​:40​:25 2015 -0700

  [perl #124004] Fix stack bug with foreach(@​empty)

sample fail

http​://www.cpantesters.org/cpan/report/59f8d3dc-cddf-11e4-8ce2-9aeb5ea84f05

perl -V

Summary of my perl5 (revision 5 version 21 subversion 10) configuration​:
  Commit id​: d71230e
  Platform​:
  osname=linux, osvers=3.16.0-4-amd64, archname=x86_64-linux
  uname='linux k83 3.16.0-4-amd64 #1 smp debian 3.16.7-ckt7-1 (2015-03-01) x86_64 gnulinux '
  config_args='-Dprefix=/home/sand/src/perl/repoperls/installed-perls/perl/v5.21.9-293-gd71230e/165a -Dmyhostname=k83 -Dinstallusrbinperl=n -Uversiononly -Dusedevel -des -Ui_db -Uuseithreads -Uuselongdouble -DDEBUGGING=-g'
  hint=recommended, useposix=true, d_sigaction=define
  useithreads=undef, usemultiplicity=undef
  use64bitint=define, use64bitall=define, uselongdouble=undef
  usemymalloc=n, bincompat5005=undef
  Compiler​:
  cc='cc', ccflags ='-fwrapv -fno-strict-aliasing -pipe -fstack-protector-strong -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_FORTIFY_SOURCE=2',
  optimize='-O2 -g',
  cppflags='-fwrapv -fno-strict-aliasing -pipe -fstack-protector-strong -I/usr/local/include'
  ccversion='', gccversion='4.9.2', 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-strong -L/usr/local/lib'
  libpth=/usr/local/lib /usr/lib/gcc/x86_64-linux-gnu/4.9/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=libc-2.19.so, so=so, useshrplib=false, libperl=libperl.a
  gnulibc_version='2.19'
  Dynamic Linking​:
  dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-Wl,-E'
  cccdlflags='-fPIC', lddlflags='-shared -O2 -g -L/usr/local/lib -fstack-protector-strong'

Characteristics of this binary (from libperl)​:
  Compile-time options​: HAS_TIMES PERLIO_LAYERS PERL_DONT_CREATE_GVSV
  PERL_HASH_FUNC_ONE_AT_A_TIME_HARD PERL_MALLOC_WRAP
  PERL_NEW_COPY_ON_WRITE PERL_PRESERVE_IVUV
  PERL_USE_DEVEL USE_64_BIT_ALL USE_64_BIT_INT
  USE_LARGE_FILES USE_LOCALE USE_LOCALE_COLLATE
  USE_LOCALE_CTYPE USE_LOCALE_NUMERIC USE_LOCALE_TIME
  USE_PERLIO USE_PERL_ATOF
  Built under linux
  Compiled at Mar 18 2015 18​:37​:02
  %ENV​:
  PERL="/tmp/basesmoker-reloperl-5gTJ/bin/perl"
  PERL5LIB=""
  PERL5OPT=""
  PERL5_CPANPLUS_IS_RUNNING="5837"
  PERL5_CPAN_IS_RUNNING="5837"
  PERL_MM_USE_DEFAULT="1"
  @​INC​:
  /home/sand/src/perl/repoperls/installed-perls/perl/v5.21.9-293-gd71230e/165a/lib/site_perl/5.21.10/x86_64-linux
  /home/sand/src/perl/repoperls/installed-perls/perl/v5.21.9-293-gd71230e/165a/lib/site_perl/5.21.10
  /home/sand/src/perl/repoperls/installed-perls/perl/v5.21.9-293-gd71230e/165a/lib/5.21.10/x86_64-linux
  /home/sand/src/perl/repoperls/installed-perls/perl/v5.21.9-293-gd71230e/165a/lib/5.21.10
  .
--
andreas

From @cpansprout

On Sun Mar 22 22​:32​:03 2015, andreas.koenig.7os6VVqR@​franz.ak.mind.de wrote​:

Kudos to Slaven Rezić for discovering this.

bisect
------
commit c5f78d0
Author​: Father Chrysostomos <sprout@​cpan.org>
Date​: Tue Mar 17 22​:40​:25 2015 -0700

[perl #124004] Fix stack bug with foreach(@​empty)

The fault is in the module’s tests. See <https://rt.cpan.org/Ticket/Display.html?id=103009#txn-1479186>.

--

Father Chrysostomos

The RT System itself - Status changed from 'new' to 'open'

@cpansprout - Status changed from 'open' to 'rejected'