[Perl/perl5] c9a499: regcomp.c: Move an assert()

[Karl Williamson via perl5-changes]

  Branch: refs/heads/blead
  Home:   https://github.com/Perl/perl5
  Commit: c9a49963b409c0a27396949b3d69489fe12fdeac
      
https://github.com/Perl/perl5/commit/c9a49963b409c0a27396949b3d69489fe12fdeac
  Author: Karl Williamson <k...@cpan.org>
  Date:   2022-07-05 (Tue, 05 Jul 2022)

  Changed paths:
    M regcomp.c

  Log Message:
  -----------
  regcomp.c: Move an assert()

The assert was after use of the thing being asserted against.