[Perl/perl5] c73e36: revert back to while 1

[Yves Orton via perl5-changes]

  Branch: refs/heads/yves/hpux_build_warning_suppression
  Home:   https://github.com/Perl/perl5
  Commit: c73e36f4d3bdeeff6a0ad044e069e6fd6198035a
      
https://github.com/Perl/perl5/commit/c73e36f4d3bdeeff6a0ad044e069e6fd6198035a
  Author: Yves Orton <demer...@gmail.com>
  Date:   2023-03-29 (Wed, 29 Mar 2023)

  Changed paths:
    M op.c

  Log Message:
  -----------
  revert back to while 1