Fix CPAN compiler and tooling compatibility suite - #957
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Fix shared regex, lexical inspection, weak-reference, Unicode, DBI, and POSIX behavior exposed by a broad CPAN compatibility suite. Add a Java Math::Factor::XS implementation and narrowly scoped patches for legacy Char::Windows1258 and MooseX tooling. Document the completed compatibility work and cover the runtime changes with system-Perl-validated unit tests for both compiler backends. Generated with [Codex](https://openai.com/codex) Co-Authored-By: Codex <codex@openai.com>
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Summary
qr//construction identity through both compiler backends and keep temporarymap/grepaliases compatible with Perl weak-reference semanticsSUPER::canandPadWalker::var_name, complete the Unicode normalization/charnames paths needed by CPAN dependencies, and align DBI/POSIX behaviorMath::Factor::XSwith a Java implementation and add narrowly scoped CPAN tooling patches for legacy Char::Windows1258 and MooseX BetterAnonClassNames releasesValidation
make— passes before and after rebasing onto currentorigin/master./jcpan -t Data::Collector— 3 files / 12 tests, PASS./jcpan -t Pod::Query— 10 files / 246 tests, PASS./jcpan -t Char::Windows1258— 210 files / 5,703 tests, PASS (also 5,703/5,703 on system Perl)./jcpan -t Map::Metro::Plugin::Map::Oslo— 3 files / 4 tests, PASS./jcpan -t DBIx::Dictionary— 7 files / 30 tests, PASS./jcpan -t Date::Holidays::Abstract— 9 files / 3 tests, PASS./jcpan -t Music::Note::Role::Operators— 2 files / 6 tests, PASSMath::Factor::XSsuite — 4 files / 69 tests, PASSGenerated with Codex