[Perl/perl5] 12a9cb: regexec.c - if we know that PL_sawampersand is a c...

[Yves Orton via perl5-changes]

  Branch: refs/heads/yves/alternate_pr_for_21296
  Home:   https://github.com/Perl/perl5
  Commit: 12a9cb417034a5f7d63efee2870d6c4e94d163a6
      
https://github.com/Perl/perl5/commit/12a9cb417034a5f7d63efee2870d6c4e94d163a6
  Author: Yves Orton <demer...@gmail.com>
  Date:   2023-07-26 (Wed, 26 Jul 2023)

  Changed paths:
    M perl.h
    M regexec.c

  Log Message:
  -----------
  regexec.c - if we know that PL_sawampersand is a constant we can ifdef away 
some code

See also https://github.com/Perl/perl5/pull/21296.

This should silence a warning from Clang about this logic.