[Perl/perl5] e69d7f: perlguts - document newAV_alloc_x/z and _simple funcs

[Richard Leach via perl5-changes]

  Branch: refs/heads/blead
  Home:   https://github.com/Perl/perl5
  Commit: e69d7f8b2b933533e7d4b0f258a09d331a524e53
      
https://github.com/Perl/perl5/commit/e69d7f8b2b933533e7d4b0f258a09d331a524e53
  Author: Richard Leach <richardle...@users.noreply.github.com>
  Date:   2022-09-16 (Fri, 16 Sep 2022)

  Changed paths:
    M pod/perlguts.pod

  Log Message:
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  perlguts - document newAV_alloc_x/z and _simple funcs