Ruby

[ruby/io-console] Remove useless rb_check_arity() call

https://github.com/ruby/io-console/commit/df444b93f1

Remove useless rb_check_arity() calls

YJIT: Fix panic from overly loose filtering in identity method inlining

Credits to @rwstauner (Randy Stauner) for noticing this issue in GH-15533.

Revert "ZJIT: Exclude failing ruby-bench benchmarks (#15479)"

This reverts commit 1eb10ca3cb6cff98bb8c0946ed905921586c7d52.

This should have been fixed by https://github.com/ruby/ruby/pull/15536.

ZJIT: Nil-fill locals in direct send (#15536)

Avoid garbage reads from locals in eval.
Before the fix the test fails with

<"[\"x\", \"x\", \"x\", \"x\"]"> expected but was
<"[\"x\", \"x\", \"x\", \"x286326928\"]">.

ZJIT: Don't inline non-parameter locals

ZJIT: Allow ccalls above 7 arguments (#15312)

ZJIT: Add stack support for CCalls

Cache filesystem_encindex

Store Encoding#name as an attribute

When debugging the fstring table, I found "UTF-8" to be the most common
interned strings in many benchmarks.

We have a fixed, limited number of these strings, so we might as well permanently
cache their fstrings.

YJIT: Add missing local variable type update for fallback setlocal blocks

Previously, the chain_depth>0 version of setlocal blocks did not
update the type of the local variable in the context. This can leave
the context with stale type information and trigger panics like in...