Index: .github/workflows/ubuntu-latest-32bit.yml
==================================================================
--- .github/workflows/ubuntu-latest-32bit.yml
+++ .github/workflows/ubuntu-latest-32bit.yml
@@ -21,11 +21,11 @@
           - --without-tls --disable-compiler-tls --disable-threads
     steps:
     - name: Install dependencies
       run: |
         sudo apt-get update
-        sudo apt-get install gcc-multilib
+        sudo apt-get install g++-multilib
     - uses: actions/checkout@v4
     - name: autogen.sh
       run: ./autogen.sh
     - name: configure
       run: ./configure OBJC="clang -m32" ${{ matrix.configure_flags }}
@@ -33,5 +33,9 @@
       run: make -j$(nproc)
     - name: make check
       run: make check
     - name: make install
       run: sudo make install
+    - name: C++ test
+      run: |
+        objfw-compile -o cxxtest .github/workflows/CXXTest.mm
+        ./cxxtest