[pull] master from ruby:master#774
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pull[bot] merged 5 commits intoturkdevops:masterfrom Feb 13, 2026
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[Feature #21788] It allows monitor to access internal routines and remove some overhead. Before: ``` ruby 4.0.0dev (2025-12-13T04:52:13Z master 71dd272) +YJIT +PRISM [arm64-darwin25] Warming up -------------------------------------- Mutex 2.111M i/100ms Monitor 1.736M i/100ms Calculating ------------------------------------- Mutex 25.050M (± 0.4%) i/s (39.92 ns/i) - 126.631M in 5.055208s Monitor 19.809M (± 0.1%) i/s (50.48 ns/i) - 100.672M in 5.082015s ``` After: ``` ruby 4.0.0dev (2025-12-13T06:49:18Z core-monitor 6fabf38) +YJIT +PRISM [arm64-darwin25] Warming up -------------------------------------- Mutex 2.144M i/100ms Monitor 1.859M i/100ms Calculating ------------------------------------- Mutex 24.771M (± 0.4%) i/s (40.37 ns/i) - 124.342M in 5.019716s Monitor 23.722M (± 0.4%) i/s (42.15 ns/i) - 118.998M in 5.016361s ``` Bench: ```ruby require 'bundler/inline' gemfile do gem "benchmark-ips" end mutex = Mutex.new require "monitor" monitor = Monitor.new Benchmark.ips do |x| x.report("Mutex") { mutex.synchronize { } } x.report("Monitor") { monitor.synchronize { } } end ```
* Revert "Revert pack/unpack support for LEB128" This reverts commit 77c3a9e. * Update specs for LEB128
…5647) [Feature #21796] unpack variant `^` that returns the current offset
Make `ruby_modular_gc_init()` print all symbol import errors instead of bailing on the first one. That way, GC authors don't have to fix one symbol at a time. Also accumulates and prints the total error count across all imports. Eg. On a sample GC ripped from the built-in GC implementation, renamed to "testgc", with the symbols `rb_gc_impl_gc_enable` and `rb_gc_impl_gc_disable` removed: **Before:** ``` λ batify build → 74a4e2e → ~/.rubies/modgc/bin/ruby ruby_modular_gc_init: rb_gc_impl_gc_enable function not exported by library /Users/prajjwal/.rubies/modgc/lib/ruby/gc/librubygc.testgc.bundle ``` **After:** ``` λ batify build → master → ~/.rubies/modgc/bin/ruby ruby_modular_gc_init: rb_gc_impl_gc_enable function not exported by library /Users/prajjwal/.rubies/modgc/lib/ruby/gc/librubygc.testgc.bundle ruby_modular_gc_init: rb_gc_impl_gc_disable function not exported by library /Users/prajjwal/.rubies/modgc/lib/ruby/gc/librubygc.testgc.bundle ruby_modular_gc_init: found 2 missing exports in library /Users/prajjwal/.rubies/modgc/lib/ruby/gc/librubygc.testgc.bundle ```
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