Ruby

Bump taiki-e/install-action

Bumps the github-actions group with 1 update in the / directory: taiki-e/install-action.

Updates taiki-e/install-action from 2.68.26 to 2.68.27

• Release notes...

ZJIT: Deduplicate polymorphic send branches by receiver type (#16335)

When lowering polymorphic opt_send_without_block, emit at most one branch per receiver type instead of one branch per profile bucket (class, shape, flags).

This deduplicates redundant HasType/IfTrue chains while preserving immediate/heap splits under the same class (for example, Fixnum/Bignum and StaticSymbol/DynamicSymbol), reducing branch/codegen overhead without changing dispatch semantics....

ZJIT: ::RubyVM::ZJIT.induce_side_exit! and induce_compile_failure!

Tells ZJIT to do a side exit or to fail to compile, useful testing and
for bug reports. We are picky about the syntactic form so we can tell
where the call lands early in the compiler pipeline. The :: prefix...

Speed up integer parsing in prism_compile.c

Cache line lookups in prism compiler

[ruby/rubygems] Add a Mutex to prevent a bug on Ruby 3.2:

• There are failing tests on Ruby 3.2 due to an expecation that
  checks wheter stderr is empty. In this case, stderr outputs a
  warning from Ruby "warning: loading in progress, circular require
  considered harmful", but this is not true....

[ruby/rubygems] Split the download and install process of a gem:

• Problem¶

  Bundler awaits for the dependencies of a gem to be download and installed
  before it proceeds to downloading and installing the dependency itself.
  This creates a bottleneck at the end of the installation process and...

Fix rdoc:% target for bundled rdoc

outdate-bundled-gems.rb: Keep gemspec files for default gems

[ruby/rubygems] Raise an error when building a gem that has a self reference:

• Problem¶

  A gem that has a self-reference in its dependencies would previously
  get a warning during gem build, saying it's "discouradged".
  A gem that includes a self-reference can't be updated due to bundler...