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possible bug in the perl debugger in perl 5.34

by mandarin (Hermit)
on Oct 04, 2021 at 15:00 UTC ( #11137210=perlquestion: print w/replies, xml ) Need Help??

mandarin has asked for the wisdom of the Perl Monks concerning the following question:

Dear fellow monks,

I would like to confirm that I am experiencing a bug in the perl debugger shipped with perl 5.34, which is version 1.60

If I type the debugger command 'v', there is a weird error message:

# perl -de '1;' Loading DB routines from version 1.60 Editor support available. Enter h or 'h h' for help, or 'man perldebug' for more help. main::(-e:1): 1; DB<1> v Undefined subroutine &DB::cmd_l called at /usr/local/lib/perl5/5.34.0/ line 6034. at /usr/local/lib/perl5/5.34.0/ line 6034. DB::cmd_v("v", "", 1) called at /usr/local/lib/perl5/5.34.0/pe line 4798 DB::cmd_wrapper("v", "", 1) called at /usr/local/lib/perl5/5.3 +4.0/ line 4311 DB::Obj::_handle_cmd_wrapper_commands(DB::Obj=HASH(0x558a9ea7b +5c0)) called at /usr/local/lib/perl5/5.34.0/ line 3200 DB::DB called at -e line 1
This happens in the perl:5.34 docker container I pulled from

Replies are listed 'Best First'.
Re: possible bug in the perl debugger in perl 5.34
by marto (Cardinal) on Oct 04, 2021 at 15:06 UTC
      Oops, I ran git fetch but forgot to actually git merge, so I started fixing the problem that had already been fixed.

      My fix is more complete than the existing one, though: #19171

      map{substr$_->[0],$_->[1]||0,1}[\*||{},3],[[]],[ref qr-1,-,-1],[{}],[sub{}^*ARGV,3]

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