ci: Add GitHub CI job for ClangCL/MSVC

.github/workflows/per_commit.yml

@@ -196,3 +196,26 @@ jobs:
       - name: Run tests and examples
         if: env.cache_misses != '0'
         run: ./test.py --no-build
+  Windows_Visual_Studio: # disable until remaining issues are not fixed and find a way to cache compilation artifacts
+    runs-on: windows-latest
+    defaults:
+      run:
+        shell: cmd
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+      - name: Configure CMake
+        run: |
+          %comspec% /k ""C:\Program Files\Microsoft Visual Studio\2022\Enterprise\Common7\Tools\VsDevCmd.bat""
+          python ns3 configure --enable-tests --enable-examples --enable-asserts -d release -- -G"Visual Studio 17 2022" -A x64 -T ClangCL
+      - name: Build ns-3
+        continue-on-error: true
+        run: |
+          %comspec% /k ""C:\Program Files\Microsoft Visual Studio\2022\Enterprise\Common7\Tools\VsDevCmd.bat""
+          python ns3 build
+      - name: Run tests and examples
+        continue-on-error: true
+        timeout-minutes: 60
+        run: |
+          set PATH=%CD%\build;%PATH%
+          python .\test.py --no-build