[Perl/perl5] 5c4d3a: t/re/pat.t - test that we can copy and then reuse ...

[Yves Orton via perl5-changes]

  Branch: refs/heads/yves/perlvar_last_successful_match
  Home:   https://github.com/Perl/perl5
  Commit: 5c4d3ac0517dbf061fd35de2414a40ba1e75fdf2
      
https://github.com/Perl/perl5/commit/5c4d3ac0517dbf061fd35de2414a40ba1e75fdf2
  Author: Yves Orton <demer...@gmail.com>
  Date:   2023-03-13 (Mon, 13 Mar 2023)

  Changed paths:
    M t/re/pat.t

  Log Message:
  -----------
  t/re/pat.t - test that we can copy and then reuse ${^LAST_SUCCESSFUL_PATTERN}

This tests that we can convert a pattern embedded in a m// or s///
into a qr//, which is surprisingly useful!  So useful I am a bit
surprised it didn't occur to anyone to expose this earlier.