fix: bundle Unicode::UTF8 (Java XS) for jcpan#748
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- Add Java XS module UnicodeUTF8 (DFA align with Unicode-UTF8 0.70) and ship Unicode/UTF8.pm for XSLoader. - Fix Encode::_utf8_on to flip SvUTF8 without decoding bytes; add RuntimeScalar.utf8UncheckedOctets so encode_utf8 can validate raw octets only for that case (t/090, t/200_leaks). - Use WarningBitsRegistry call-site bits for utf8 warn/die from Java XS so Test::Fatal + FATAL utf8 works (t/090 decode). - pack: surrogate code points from pack U; allow U template up to 0x7FFFFFFF in character mode (t/060, t/080). - decode fallback chunks: one output character per returned octet (t/120). Generated with [Cursor](https://docs.cursor.com) Co-Authored-By: Cursor <noreply@cursor.com> Co-authored-by: Cursor <cursoragent@cursor.com>
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Summary
.pm+ three XS entry points (decode_utf8,encode_utf8,valid_utf8).Encode::_utf8_onsemantics, pack("U", …) for surrogates and large UVs, decode fallback chunk handling, and FATALutf8when XS runs in Java (call-site warning bits viaWarningBitsRegistry)../jcpan -t Unicode::UTF8runs the full 11241-test suite successfully; prerequisite noise from Devel::AssertC99 / Devel::CheckCompiler may still appear when CPAN tries to build real XS.Test plan
make(unit tests)timeout 600 ./jcpan -t Unicode::UTF8→ Unicode-UTF8Result: PASS/ “All tests successful”t/060_surrogates.t,t/080_super.t,t/090_non_shortest_form.t,t/120_fallback.t,t/200_leaks.tunderjperl -Ilib -It