From @andk

git bisect

commit 18690b0
Author​: Father Chrysostomos <sprout@​cpan.org>
Date​: Wed Sep 24 16​:21​:03 2014 -0700

  op.c​: Apply spair optimisation to \% \@​ \&

sample report

http​://www.cpantesters.org/cpan/report/857945d2-59b3-11e4-9725-b3e5bb36d621

perl -V

Summary of my perl5 (revision 5 version 21 subversion 5) configuration​:
  Commit id​: 47d3b73
  Platform​:
  osname=linux, osvers=3.16-2-amd64, archname=x86_64-linux-thread-multi
  uname='linux k83 3.16-2-amd64 #1 smp debian 3.16.3-2 (2014-09-20) x86_64 gnulinux '
  config_args='-Dprefix=/home/sand/src/perl/repoperls/installed-perls/perl/v5.21.4-483-g47d3b73/9980 -Dmyhostname=k83 -Dinstallusrbinperl=n -Uversiononly -Dusedevel -des -Ui_db -Duseithreads -Uuselongdouble -DDEBUGGING=-g'
  hint=recommended, useposix=true, d_sigaction=define
  useithreads=define, usemultiplicity=define
  use64bitint=define, use64bitall=define, uselongdouble=undef
  usemymalloc=n, bincompat5005=undef
  Compiler​:
  cc='cc', ccflags ='-D_REENTRANT -D_GNU_SOURCE -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='-D_REENTRANT -D_GNU_SOURCE -fwrapv -fno-strict-aliasing -pipe -fstack-protector-strong -I/usr/local/include'
  ccversion='', gccversion='4.9.1', gccosandvers=''
  intsize=4, longsize=8, ptrsize=8, doublesize=8, byteorder=12345678
  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=-lnsl -lgdbm -ldb -ldl -lm -lcrypt -lutil -lpthread -lc -lgdbm_compat
  perllibs=-lnsl -ldl -lm -lcrypt -lutil -lpthread -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 MULTIPLICITY PERLIO_LAYERS
  PERL_DONT_CREATE_GVSV
  PERL_HASH_FUNC_ONE_AT_A_TIME_HARD
  PERL_IMPLICIT_CONTEXT PERL_MALLOC_WRAP
  PERL_NEW_COPY_ON_WRITE PERL_PRESERVE_IVUV
  PERL_USE_DEVEL USE_64_BIT_ALL USE_64_BIT_INT
  USE_ITHREADS USE_LARGE_FILES USE_LOCALE
  USE_LOCALE_COLLATE USE_LOCALE_CTYPE
  USE_LOCALE_NUMERIC USE_LOCALE_TIME USE_PERLIO
  USE_PERL_ATOF USE_REENTRANT_API
  Built under linux
  Compiled at Oct 17 2014 00​:04​:21
  %ENV​:
  PERL5LIB=""
  PERL5OPT=""
  PERL5_CPANPLUS_IS_RUNNING="23219"
  PERL5_CPAN_IS_RUNNING="23219"
  PERL_MM_USE_DEFAULT="1"
  @​INC​:
  /home/sand/src/perl/repoperls/installed-perls/perl/v5.21.4-483-g47d3b73/9980/lib/site_perl/5.21.5/x86_64-linux-thread-multi
  /home/sand/src/perl/repoperls/installed-perls/perl/v5.21.4-483-g47d3b73/9980/lib/site_perl/5.21.5
  /home/sand/src/perl/repoperls/installed-perls/perl/v5.21.4-483-g47d3b73/9980/lib/5.21.5/x86_64-linux-thread-multi
  /home/sand/src/perl/repoperls/installed-perls/perl/v5.21.4-483-g47d3b73/9980/lib/5.21.5
  .
--
andreas

From @cpansprout

On Sat Oct 25 12​:17​:06 2014, andreas.koenig.7os6VVqR@​franz.ak.mind.de wrote​:

git bisect
----------
commit 18690b0
Author​: Father Chrysostomos <sprout@​cpan.org>
Date​: Wed Sep 24 16​:21​:03 2014 -0700

op.c​: Apply spair optimisation to \% \@​ \&

Patch at <https://rt.cpan.org/Ticket/Display.html?id=99809>.

--

Father Chrysostomos

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

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