Ruby

[DOC] Doc for Set.new

[DOC] Harmonize basename methods

Remove IMEMO allocation from match_named_captures

onig_foreach_name is totally synchronous (either a for loop or an st_foreach), so it should be safe to pass data on the stack rather than allocating an IMEMO.

[DOC] Harmonize birthtime methods (#16744)

Use flag to determine when MEMO.u3 is a VALUE

We always know when this contains a VALUE and even fire a write barrier
for it. We should use this when marking, support compaction, and no
longer need conservative marking.

Remove MEMO.u3.func

This was no longer used anywhere

[ruby/prism] Fix UTF-8 code units to match the number of bytes
(https://github.com/ruby/prism/pull/4098)

https://github.com/ruby/prism/commit/442bd904ed

Update ext/Setup template files [ci skip]

Share common code between Enumerator and ArithmeticSequence

[ruby/rubygems] Replace #9506 with a targeted :ruby_repo skip

The blanket skip in checksums_section from #9506 caused 82 ruby-core test
failures whose lockfile expectations legitimately include the bundler
checksum (paths that go through bundle install where bundler is...