Ruby

Allow to sync pathname manually

Still development of the gem continues, sync as possible manually.

[DOC] Fix formatting in docs for String#[]=

[ruby/stringio] [DOC] Tweaks for StringIO#pos=
(https://github.com/ruby/stringio/pull/194)

https://github.com/ruby/stringio/commit/3cef1e0e5f

[ruby/stringio] [DOC] Tweaks for StringIO#pos
(https://github.com/ruby/stringio/pull/193)

https://github.com/ruby/stringio/commit/90728bbbca

[ruby/stringio] [DOC] Tweaks for StringIO#lineno=
(https://github.com/ruby/stringio/pull/192)

https://github.com/ruby/stringio/commit/8b1ee03cbe

[ruby/stringio] [DOC] Tweaks for StringIO#lineno
(https://github.com/ruby/stringio/pull/191)

https://github.com/ruby/stringio/commit/f2a2a5a99e

Fix id2ref for multi-Ractor

The id2ref table needs to be under a VM lock to ensure there are no race
conditions. The following script crashes:

o = Object.new

ObjectSpace._id2ref(o.object_id)

10.times.map do
  Ractor.new do
    10_000.times do...

[ruby/stringio] [DOC] Change link to on-page

https://github.com/ruby/stringio/commit/a7c118d786

[ruby/openssl] asn1integer_to_num: don't cast away const

ASN1_ENUMERATED_to_BN() has been const-correct for a long time in all
supported libcrytos, so we can remove this workaround.

https://github.com/ruby/openssl/commit/d0f36a7c65

[ruby/date] Call rb_gc_register_mark_object after object allocation

It's possible that both half_days_in_day and day_in_nanoseconds are Ruby
objects, which means that creating day_in_nanoseconds may trigger GC.
Since half_days_in_day is not registered as a mark object until after...