Verify fix: build from ioquatix/ruby fix/blocking-operation-wait-exception-safety

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: samuel-williams-shopify

.github/workflows/test-ruby-gc-bug.yaml

@@ -0,0 +1,60 @@
+name: Test Ruby GC Bug — Verify Fix
+
+# Builds Ruby from ioquatix/ruby fix/blocking-operation-wait-exception-safety
+# and runs the io-event test suite. The worker_pool.c logging will show the
+# exception path being exercised; the absence of a crash confirms the fix.
+
+on: [push, pull_request]
+
+jobs:
+  verify-fix:
+    name: "Verify fix on ruby/ruby fix/blocking-operation-wait-exception-safety"
+    runs-on: ubuntu-24.04
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Install build dependencies
+      run: |
+        sudo apt-get update -q
+        sudo apt-get install -y --no-install-recommends \
+          ruby bison libyaml-dev libgdbm-dev libreadline-dev libncurses5-dev \
+          liburing-dev autoconf automake gcc make binutils
+
+    - name: Clone Ruby (ioquatix/ruby fix/blocking-operation-wait-exception-safety)
+      uses: actions/checkout@v4
+      with:
+        repository: ioquatix/ruby
+        ref: fix/blocking-operation-wait-exception-safety
+        path: ruby-src
+
+    - name: Build + install Ruby
+      working-directory: ruby-src
+      run: |
+        ./autogen.sh
+        ./configure --prefix=$HOME/.rubies/ruby-fix --enable-shared \
+          --disable-install-doc cppflags="-DENABLE_PATH_CHECK=0"
+        make -j$(nproc) && make install
+        $HOME/.rubies/ruby-fix/bin/ruby --version
+
+    - name: Install gems + build io-event
+      run: |
+        export PATH=$HOME/.rubies/ruby-fix/bin:$PATH
+        gem install bundler --no-document
+        bundle install
+        bundle exec rake build 2>/dev/null || \
+          (cd ext && ruby extconf.rb && make)
+
+    - name: Run io-event tests (capture worker_pool logs)
+      run: |
+        export PATH=$HOME/.rubies/ruby-fix/bin:$PATH
+        bundle exec bake test 2>&1 | tee /tmp/test-output.txt
+        echo "--- worker_pool log lines ---"
+        grep '\[worker_pool\]' /tmp/test-output.txt || echo "(no worker_pool log lines)"
+
+    - name: Upload test output
+      uses: actions/upload-artifact@v4
+      if: always()
+      with:
+        name: test-output
+        path: /tmp/test-output.txt