From @andk

git bisect​:

  commit 2786be7
  Author​: Karl Williamson <public@​khwilliamson.com>
  Date​: Tue Dec 7 22​:51​:34 2010 -0700

  regcomp.c​: Clean up optimization for 1-char []

example failreport​:

  pasted, since it's not yet on cpantesters​:

  PERL_DL_NONLAZY=1 /home/src/perl/repoperls/installed-perls/perl/v5.13.7-400-g2786be7/bin/perl "-MExtUtils​::Command​::MM" "-e" "test_harness(0, 'blib/lib', 'blib/arch')" t/*.t
  t/00-load.t ....... 1/1 # Testing Attribute​::Constant 0.02, Perl 5.013007, /home/src/perl/repoperls/installed-perls/perl/v5.13.7-400-g2786be7/bin/perl
  t/00-load.t ....... ok
  t/01-atomic.t ..... Insecure dependency in eval while running with -T switch at /home/src/perl/repoperls/installed-perls/perl/v5.13.7-400-g2786be7/lib/5.13.7/Attribute/Handlers.pm line 218.
  # Looks like your test exited with 255 before it could output anything.
  t/01-atomic.t ..... Dubious, test returned 255 (wstat 65280, 0xff00)
  Failed 10/10 subtests
  t/02-avhv.t ....... Insecure dependency in eval while running with -T switch at /home/src/perl/repoperls/installed-perls/perl/v5.13.7-400-g2786be7/lib/5.13.7/Attribute/Handlers.pm line 218.
  # Looks like your test exited with 255 before it could output anything.
  t/02-avhv.t ....... Dubious, test returned 255 (wstat 65280, 0xff00)
  Failed 18/18 subtests
  t/03-obj.t ........ Insecure dependency in eval while running with -T switch at /home/src/perl/repoperls/installed-perls/perl/v5.13.7-400-g2786be7/lib/5.13.7/Attribute/Handlers.pm line 218.
  # Looks like your test exited with 255 before it could output anything.
  t/03-obj.t ........ Dubious, test returned 255 (wstat 65280, 0xff00)
  Failed 10/10 subtests
  t/04-dlock.t ...... ok
  t/pod-coverage.t .. skipped​: Test​::Pod​::Coverage 1.08 required for testing POD coverage
  t/pod.t ........... skipped​: Test​::Pod 1.22 required for testing POD

  Test Summary Report
  -------------------
  t/01-atomic.t (Wstat​: 65280 Tests​: 0 Failed​: 0)
  Non-zero exit status​: 255
  Parse errors​: Bad plan. You planned 10 tests but ran 0.
  t/02-avhv.t (Wstat​: 65280 Tests​: 0 Failed​: 0)
  Non-zero exit status​: 255
  Parse errors​: Bad plan. You planned 18 tests but ran 0.
  t/03-obj.t (Wstat​: 65280 Tests​: 0 Failed​: 0)
  Non-zero exit status​: 255
  Parse errors​: Bad plan. You planned 10 tests but ran 0.
  Files=7, Tests=11, 0 wallclock secs ( 0.05 usr 0.00 sys + 0.18 cusr 0.04 csys = 0.27 CPU)
  Result​: FAIL
  Failed 3/7 test programs. 0/11 subtests failed.

perl -V​:

  Summary of my perl5 (revision 5 version 13 subversion 7) configuration​:
  Commit id​: 2786be7
  Platform​:
  osname=linux, osvers=2.6.32-5-xen-amd64, archname=x86_64-linux-thread-multi
  uname='linux k81 2.6.32-5-xen-amd64 #1 smp thu nov 25 20​:08​:32 utc 2010 x86_64 gnulinux '
  config_args='-Dprefix=/home/src/perl/repoperls/installed-perls/perl/v5.13.7-400-g2786be7 -Dinstallusrbinperl=n -Uversiononly -Dusedevel -des -Ui_db -Dnoextensions=Encode -Duseithreads -Uuse64bitint'
  hint=recommended, useposix=true, d_sigaction=define
  useithreads=define, usemultiplicity=define
  useperlio=define, d_sfio=undef, uselargefiles=define, usesocks=undef
  use64bitint=define, use64bitall=define, uselongdouble=undef
  usemymalloc=n, bincompat5005=undef
  Compiler​:
  cc='cc', ccflags ='-D_REENTRANT -D_GNU_SOURCE -fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64',
  optimize='-O2',
  cppflags='-D_REENTRANT -D_GNU_SOURCE -fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include'
  ccversion='', gccversion='4.4.5', gccosandvers=''
  intsize=4, longsize=8, ptrsize=8, doublesize=8, byteorder=12345678
  d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=16
  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 /lib /usr/lib /lib64 /usr/lib64
  libs=-lnsl -lgdbm -ldb -ldl -lm -lcrypt -lutil -lpthread -lc -lgdbm_compat
  perllibs=-lnsl -ldl -lm -lcrypt -lutil -lpthread -lc
  libc=/lib/libc-2.11.2.so, so=so, useshrplib=false, libperl=libperl.a
  gnulibc_version='2.11.2'
  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'

  Characteristics of this binary (from libperl)​:
  Compile-time options​: MULTIPLICITY PERL_DONT_CREATE_GVSV
  PERL_IMPLICIT_CONTEXT PERL_MALLOC_WRAP PERL_USE_DEVEL
  USE_64_BIT_ALL USE_64_BIT_INT USE_ITHREADS
  USE_LARGE_FILES USE_PERLIO USE_PERL_ATOF
  USE_REENTRANT_API
  Built under linux
  Compiled at Dec 12 2010 10​:58​:32
  @​INC​:
  /home/src/perl/repoperls/installed-perls/perl/v5.13.7-400-g2786be7/lib/site_perl/5.13.7/x86_64-linux-thread-multi
  /home/src/perl/repoperls/installed-perls/perl/v5.13.7-400-g2786be7/lib/site_perl/5.13.7
  /home/src/perl/repoperls/installed-perls/perl/v5.13.7-400-g2786be7/lib/5.13.7/x86_64-linux-thread-multi
  /home/src/perl/repoperls/installed-perls/perl/v5.13.7-400-g2786be7/lib/5.13.7
  .

--
andreas

From @khwilliamson

(Andreas J. Koenig) (via RT) wrote​:

# New Ticket Created by (Andreas J. Koenig)
# Please include the string​: [perl #80610]
# in the subject line of all future correspondence about this issue.
# <URL​: http​://rt.perl.org/rt3/Ticket/Display.html?id=80610 >

git bisect​:
-----------

commit 2786be7
Author​: Karl Williamson <public@​khwilliamson.com>
Date​: Tue Dec 7 22​:51​:34 2010 -0700

regcomp.c​: Clean up optimization for 1-char []

example failreport​:
-------------------

Now fixed. As noted in the commit message, the root cause was that I
conflated two similarly named macros, and I don't know how many times I
looked at the code without realizing it. I was planning to change the
name of one of them anyway, to better reflect its meaning, but I don't
know that that would have helped.

  commit 929fffa
  Author​: Karl Williamson <public@​khwilliamson.com>
  Date​: Sun Dec 12 11​:28​:20 2010 -0700

  blead breaks Attribute​::Constant

  The problem is that I confused FOLD with ANYOF_FOLD, and as a result,
  emitted a locale regnode, which is tainted. Any tests that required
  non-tainting started failing

pasted, since it's not yet on cpantesters​:

PERL_DL_NONLAZY=1 /home/src/perl/repoperls/installed-perls/perl/v5.13.7-400-g2786be7/bin/perl "-MExtUtils​::Command​::MM" "-e" "test_harness(0, 'blib/lib', 'blib/arch')" t/*.t
t/00-load.t ....... 1/1 # Testing Attribute​::Constant 0.02, Perl 5.013007, /home/src/perl/repoperls/installed-perls/perl/v5.13.7-400-g2786be7/bin/perl
t/00-load.t ....... ok
t/01-atomic.t ..... Insecure dependency in eval while running with -T switch at /home/src/perl/repoperls/installed-perls/perl/v5.13.7-400-g2786be7/lib/5.13.7/Attribute/Handlers.pm line 218.
# Looks like your test exited with 255 before it could output anything.
t/01-atomic.t ..... Dubious, test returned 255 (wstat 65280, 0xff00)
Failed 10/10 subtests
t/02-avhv.t ....... Insecure dependency in eval while running with -T switch at /home/src/perl/repoperls/installed-perls/perl/v5.13.7-400-g2786be7/lib/5.13.7/Attribute/Handlers.pm line 218.
# Looks like your test exited with 255 before it could output anything.
t/02-avhv.t ....... Dubious, test returned 255 (wstat 65280, 0xff00)
Failed 18/18 subtests
t/03-obj.t ........ Insecure dependency in eval while running with -T switch at /home/src/perl/repoperls/installed-perls/perl/v5.13.7-400-g2786be7/lib/5.13.7/Attribute/Handlers.pm line 218.
# Looks like your test exited with 255 before it could output anything.
t/03-obj.t ........ Dubious, test returned 255 (wstat 65280, 0xff00)
Failed 10/10 subtests
t/04-dlock.t ...... ok
t/pod-coverage.t .. skipped​: Test​::Pod​::Coverage 1.08 required for testing POD coverage
t/pod.t ........... skipped​: Test​::Pod 1.22 required for testing POD

Test Summary Report
-------------------
t/01-atomic.t (Wstat​: 65280 Tests​: 0 Failed​: 0)
Non-zero exit status​: 255
Parse errors​: Bad plan. You planned 10 tests but ran 0.
t/02-avhv.t (Wstat​: 65280 Tests​: 0 Failed​: 0)
Non-zero exit status​: 255
Parse errors​: Bad plan. You planned 18 tests but ran 0.
t/03-obj.t (Wstat​: 65280 Tests​: 0 Failed​: 0)
Non-zero exit status​: 255
Parse errors​: Bad plan. You planned 10 tests but ran 0.
Files=7, Tests=11, 0 wallclock secs ( 0.05 usr 0.00 sys + 0.18 cusr 0.04 csys = 0.27 CPU)
Result​: FAIL
Failed 3/7 test programs. 0/11 subtests failed.

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

From @khwilliamson

commit 929fffa
Author​: Karl Williamson <public@​khwilliamson.com>
Date​: Sun Dec 12 11​:28​:20 2010 -0700

  blead breaks Attribute​::Constant

  The problem is that I confused FOLD with ANYOF_FOLD, and as a result,
  emitted a locale regnode, which is tainted. Any tests that required
  non-tainting started failing

@khwilliamson - Status changed from 'open' to 'resolved'