ci.yml in stack_frames-0.1.2

- old
+ new

@@ -20,5 +20,16 @@
     - uses: ruby/setup-ruby@v1
       with:
         ruby-version: ${{ matrix.ruby }}
         bundler-cache: true
     - run: bundle exec rake
+
+  valgrind:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: '3.1'
+          bundler-cache: true
+      - run: sudo apt-get install -y valgrind
+      - run: bundle exec rake test:valgrind