Ruby

Remove stale declaration

rb_zjit_option_enabled_p seems no longer used/defined since
ruby/ruby#f84bbb423836d9d0d018b8ab71ecceb5868fd5be.

Remove wrong test

realloc is not guaranteed to return the same address when shrinking.

[ruby/resolv] Move minimal registry access to the extension

Now win32/registry depends on fiddle, and its conversion is complex
and too generic for the purpose of resolv.

https://github.com/ruby/resolv/commit/bd24870d2d

Update default gems list at 0653a01ada3c3c286de128074b58b3 [ci skip]

[ruby/rubygems] Bump up to 4.0.0.beta1

https://github.com/ruby/rubygems/commit/9be811c01a

Omit a test on s390x linux tripping over a git bug

This test has been reliably failing on recent trunk versions.

See: https://github.com/ruby/ruby/actions/runs/19519712433/job/55880266450#step:14:120

Implement heap_final_slots in GC.stat_heap

[Feature #20408]

Implement heap_free_slots in GC.stat_heap

[Feature #20408]

Implement heap_live_slots in GC.stat_heap

[Feature #20408]

ZJIT: Fix assertion failure when profiling VM_BLOCK_HANDLER_NONE

As can be seen in vm_block_handler_verify(), VM_BLOCK_HANDLER_NONE is
not a valid argument for vm_block_handler(). Store nil in the profiler
when seen instead of crashing.