add 32bit ci build

.github/workflows/cmake.yml

@@ -37,6 +37,40 @@ jobs:
           fuzzing/fuzz_osa_distance -max_total_time=30
           fuzzing/fuzz_damerau_levenshtein_distance -max_total_time=30
 
+  build_linux_clang_32:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        BUILD_TYPE: [Release, Debug]
+    env:
+        CXXFLAGS: -m32
+        CFLAGS: -m32
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Configure CMake
+      run: cmake -B build -DCMAKE_BUILD_TYPE=${{matrix.BUILD_TYPE}} -DRAPIDFUZZ_BUILD_TESTING=1 -DRAPIDFUZZ_ENABLE_LINTERS=1 -DRAPIDFUZZ_BUILD_FUZZERS=1 -DCMAKE_CXX_COMPILER=clang++
+
+    - name: Build
+      run: cmake --build build --config ${{matrix.BUILD_TYPE}}
+
+    - name: Test
+      working-directory: build
+      run: ctest -C ${{matrix.BUILD_TYPE}} --rerun-failed --output-on-failure
+
+    - name: Fuzz Test
+      working-directory: build
+      run: |
+          fuzzing/fuzz_lcs_similarity -max_total_time=30
+          fuzzing/fuzz_levenshtein_distance -max_total_time=30
+          fuzzing/fuzz_levenshtein_editops -max_total_time=30
+          fuzzing/fuzz_indel_distance -max_total_time=30
+          fuzzing/fuzz_indel_editops -max_total_time=30
+          fuzzing/fuzz_osa_distance -max_total_time=30
+          fuzzing/fuzz_damerau_levenshtein_distance -max_total_time=30
+
   build_linux_gcc:
     runs-on: ubuntu-latest
     strategy: