[Perl/perl5] 6a4fc0: regexec.c: Avoid using a more general fcn

[Karl Williamson via perl5-changes]

  Branch: refs/heads/blead
  Home:   https://github.com/Perl/perl5
  Commit: 6a4fc003e5b726738d0652fd745146ae267c9f4f
      
https://github.com/Perl/perl5/commit/6a4fc003e5b726738d0652fd745146ae267c9f4f
  Author: Karl Williamson <k...@cpan.org>
  Date:   2022-06-09 (Thu, 09 Jun 2022)

  Changed paths:
    M regexec.c

  Log Message:
  -----------
  regexec.c: Avoid using a more general fcn

The regnodes in the ANYOFH series by definition don't have a bitmap used
in the other ANYOF-type nodes.  Instead they have an inversion list.  We
can avoid the overhead of calling the general function that looks first
in the bitmap.