[Perl/perl5] 9799a5: pp_ref_cmp - improve correctness of package name c...

[email protected] (Richard Leach via perl5-changes) Tue, 28 Jul 2026 16:36:38 -0700

Newsgroups	perl.perl5.changes
Message-ID	<Perl/perl5/push/refs/heads/blead/[email protected]>

  Branch: refs/heads/blead
  Home:   https://github.com/Perl/perl5
  Commit: 9799a574c8a608949a75697382520aa30d909217
      https://github.com/Perl/perl5/commit/9799a574c8a608949a75697382520aa30d909217
  Author: Richard Leach <[email protected]>
  Date:   2026-07-29 (Wed, 29 Jul 2026)

  Changed paths:
    M pp.c
    M t/op/ref.t

  Log Message:
  -----------
  pp_ref_cmp - improve correctness of package name comparisons

f7504b2b932ed510a2d733413e7848d452cb840f streamlined SV ref type
comparisons but introduced two types of bug.

* A copy/paste error caused GH#24621, as the OPpREF_CMP_EMPTYSTR check
erroneously fired for package length of six instead of zero.

* Package names that are truncated versions of the builtin types, or
contained embedded nulls, were improperly compared.

This commit fixes the above and adds tests.



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