ci: Test building with clang-cl

Author: hebasto

.github/workflows/ci.yml

@@ -168,11 +168,17 @@ jobs:
         job-type: [standard, fuzz]
         include:
           - job-type: standard
+            env_vars: {}
             generate-options: '-DBUILD_GUI=ON -DWITH_BDB=ON -DWITH_ZMQ=ON -DBUILD_BENCH=ON -DWERROR=ON'
-            job-name: 'Win64 native, VS 2022'
+            job-name: 'Win64 native, MSVC'
+          - job-type: clang-cl
+            env_vars: { CXXFLAGS: '-Wno-return-type -Wno-error=conditional-uninitialized -Wno-error=missing-braces' }
+            generate-options: '-T ClangCL -DBUILD_GUI=ON -DWITH_BDB=ON -DWITH_ZMQ=ON -DBUILD_BENCH=ON -DWERROR=ON'
+            job-name: 'Win64 native, clang-cl'
           - job-type: fuzz
+            env_vars: {}
             generate-options: '-DVCPKG_MANIFEST_NO_DEFAULT_FEATURES=ON -DVCPKG_MANIFEST_FEATURES="wallet" -DBUILD_GUI=OFF -DBUILD_FOR_FUZZING=ON -DWERROR=ON'
-            job-name: 'Win64 native fuzz, VS 2022'
+            job-name: 'Win64 native fuzz, MSVC'
 
     steps:
       - name: Checkout
@@ -213,6 +219,7 @@ jobs:
           key: ${{ github.job }}-vcpkg-binary-${{ hashFiles('cmake_version', 'msbuild_version', 'toolset_version', 'vcpkg.json') }}
 
       - name: Generate build system
+        env: ${{ matrix.env_vars }}
         run: |
           cmake -B build --preset vs2022-static -DCMAKE_TOOLCHAIN_FILE="$env:VCPKG_INSTALLATION_ROOT\scripts\buildsystems\vcpkg.cmake" ${{ matrix.generate-options }}
 
@@ -229,13 +236,13 @@ jobs:
           cmake --build . -j $env:NUMBER_OF_PROCESSORS --config Release
 
       - name: Run test suite
-        if: matrix.job-type == 'standard'
+        if: matrix.job-type != 'fuzz'
         working-directory: build
         run: |
           ctest --output-on-failure --stop-on-failure -j $env:NUMBER_OF_PROCESSORS -C Release
 
       - name: Run functional tests
-        if: matrix.job-type == 'standard'
+        if: matrix.job-type != 'fuzz'
         working-directory: build
         env:
           BITCOIND: '${{ github.workspace }}\build\bin\Release\bitcoind.exe'