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Perl 5 Porters Mailing List Summary: November 23rd-29th

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From:
Sawyer X via perl5-porters
Date:
November 30, 2015 15:30
Subject:
Perl 5 Porters Mailing List Summary: November 23rd-29th
Message ID:
565C56D6.3040507@booking.com
Blog:
http://blogs.perl.org/users/sawyer_x/2015/11/perl-5-porters-mailing-list-summary-november-23rd-29th.html
Twitter: https://twitter.com/perl5summaries/status/671328137096114176

                               November 23rd-29th

Updates

   Peter Rabbitson (ribasushi) has volunteered to maintain [1]base.pm to
   continue support for perl 5.6.

   Christian Jaeger [2]announced the alpha release of [3]Functional Perl.

   Another [4]grant report from Tony Cook. In about 19 hours of work, Tony
   reviewed or worked on 17 tickets and applied 3 patches. More details
   available in the grant report. Tony provided a [5]full report for October
   as well, covering over 51 hours of work.

   Jarkko Hietaniemi [6]reports pushing a branch that adds clang thread
   safety analysis annotations to the perl source code. This helps clang
   evaluate thread safety in its analysis when it isn't certain. Jarkko
   provides more details about it in the thread.

   Karl Williamson [7]updated the porters on a proposal for a new character
   property (on which The Unicode Technical Committee is asking for
feedback)
   for the class of prepended concatenation marks.

   Per a request by Dennis Kaarsemaker, Dave Mitchell has worked on reducing
   the chatter of a smoke test.

   Karen Etheridge submitted a now-merged patch to reduce additional noise
   from a [8]Module::MetaData test when run under core testing environment.

Bugs

  Reported bugs

   [9]Perl #126706, reported by Dominyk Tiller, is a compilation error on OS
   X El Capitan with the new security feature DYLD_LIBRARY_PATH.

   [10]Perl #126709, reported by Lukas Mai, demonstrates that local
   *PACKAGE:: can lead to segfaults and bizarre errors. Dave Mitchell was
   able to reduce this further and explain why it happens.

   [11]Perl #126710, reported by Tony Cook, mentions that pure-Perl modules
   that have no Makefile.PL (which then use make_ext.pl), cause a rebuild
   because make_ext.pl doesn't check for fresh files before touching
   pm_to_blib - which causes a rebuild.

   [12]Perl #126719, reported by Michael Adamcik, raises a problem with
   [13]Encode consuming all memory. Tony Cook investigated and opened a
   ticket against [14]Encode, [15]RT #10955.

   [16]Perl #126735, reported by KES, indicates a perl debugger disconnect
   problem.

  Resolved bugs

     * [17]IO::Select does not remove closed file. (Bug already fixed in
       2011.)
     * [18]Perl #115116: Limit code points to IV_MAX.
     * [19]Perl #123710: Segmentation fault in Perl_sv_setpvn.
     * [20]Perl #126257: Invalid ARRAY attribute leads to
       Perl_op_lvalue_flags assertion fail.
     * [21]Perl #126443: Use-After-free in Parser.
     * [22]Perl #126480: Perl_pp_pipe_op assertion fail when first arg to
       pipe is definitely not a filehandle.
     * [23]Perl #126635: Bleadperl breaks [24]Data::Integer.
     * [25]Perl #126687: Duplicate of [26]Perl #126686.

Proposed patches

   Tony Cook worked on several bugs, providing patches:

     * Helping with the error handling of [27]Perl #123737.
     * Fixing Bleadperl module breaking (this time of [28]App::test::travis)
       in [29]Perl #126593.
     * Fixing a memory corruption bug: [30]Perl #124097.
     * Null pointer dereferencing in [31]Perl #123991.

   Sergey Leschenko provides a patch in [32]Perl #126707, for fixing a race
   condition in a test, possibly due to the VirtualBox environment.

   Shlomi Fish provided a patch for the aforementioned [33]Perl #126735.

   Bulk88 proposed patches in [34]Perl #126753 to move the Win32 $^X code to
   where the $^X code for other OSes live.

Discussion

   Ed Avis opened [35]Perl #126715 to seek comments on whether
   barewords-as-strings are still used in code, in order to understand
   whether they could be deprecated and removed from core. So far there
seems
   to be little knowledge of many such patterns (few examples given),
and the
   conversation split to the definition itself of "barewords".

   Ricardo Signes [36]inquired on why he is seeing a redefinition warning on
   a piece of code only when defining $^P (an internal variable for
debugging
   support) and Tony Cook chimed in with an explanation.

   Additional [37]comments provided by Dave Mitchell for Christian Hansen's
   proposed patches for faster UTF-X validation and conversation ensued on
   the meaning of U32_ALIGNMENT_REQUIRED.

   Conversation on how to handle incorrect parameters in [38]File::Glob
   continues in [39]Perl #126239.

   Dave Mitchell [40]asks whether PROTOTYPES are actually enabled by
default.

   Another [41]question from Dave on whether the PerlIOMmap_close function,
   defined in ext/PerlIO-mmap/mmap.xs, can be deleted as unused or not.
Craig
   A. Berry provides some context, mentioning he thinks it can be deleted.

   Glenn Golden [42]asks whether he should open a bug or not on some odd
   inconsistency he sees in %a formatting option between perl's and C's
   printf function.

References

   1. https://metacpan.org/pod/base
   2. http://www.nntp.perl.org/group/perl.perl5.porters/232795
   3. http://functional-perl.org/
   4. http://www.nntp.perl.org/group/perl.perl5.porters/323905
   5. http://www.nntp.perl.org/group/perl.perl5.porters/323906
   6. http://www.nntp.perl.org/group/perl.perl5.porters/232813
   7. http://www.nntp.perl.org/group/perl.perl5.porters/232917
   8. https://metacpan.org/pod/Module::MetaData
   9. https://rt.perl.org/Ticket/Display.html?id=126706
  10. https://rt.perl.org/Ticket/Display.html?id=126709
  11. https://rt.perl.org/Ticket/Display.html?id=126710
  12. https://rt.perl.org/Ticket/Display.html?id=126719
  13. https://metacpan.org/pod/Encode
  14. https://metacpan.org/pod/Encode
  15. https://rt.cpan.org/Ticket/Display.html?id=109555
  16. https://rt.perl.org/Ticket/Display.html?id=126735
  17. https://metacpan.org/pod/IO::Select
  18. https://rt.perl.org/Ticket/Display.html?id=115116
  19. https://rt.perl.org/Ticket/Display.html?id=123710
  20. https://rt.perl.org/Ticket/Display.html?id=126257
  21. https://rt.perl.org/Ticket/Display.html?id=126443
  22. https://rt.perl.org/Ticket/Display.html?id=126480
  23. https://rt.perl.org/Ticket/Display.html?id=126635
  24. https://metacpan.org/pod/Data::Integer
  25. https://rt.perl.org/Ticket/Display.html?id=126687
  26. https://rt.perl.org/Ticket/Display.html?id=126686
  27. https://rt.perl.org/Ticket/Display.html?id=123737
  28. https://metacpan.org/pod/App::test::travis
  29. https://rt.perl.org/Ticket/Display.html?id=126593
  30. https://rt.perl.org/Ticket/Display.html?id=124097
  31. https://rt.perl.org/Ticket/Display.html?id=123991
  32. https://rt.perl.org/Ticket/Display.html?id=126707
  33. https://rt.perl.org/Ticket/Display.html?id=126735
  34. https://rt.perl.org/Ticket/Display.html?id=126753
  35. https://rt.perl.org/Ticket/Display.html?id=126715
  36. http://www.nntp.perl.org/group/perl.perl5.porters/232898
  37. http://www.nntp.perl.org/group/perl.perl5.porters/232805
  38. https://metacpan.org/pod/File::Glob
  39. https://rt.perl.org/Ticket/Display.html?id=126239
  40. http://www.nntp.perl.org/group/perl.perl5.porters/323888
  41. http://www.nntp.perl.org/group/perl.perl5.porters/323885
  42. http://www.nntp.perl.org/group/perl.perl5.porters/232956

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