CI: enable gcc static analyzer

.github/workflows/build.yml

@@ -155,6 +155,17 @@ jobs:
             meson compile -C build-gcc-release
           ' | $TARGET
 
+      - name: Build with gcc - static analyzer
+        run: |
+          echo '
+            cd "$GITHUB_WORKSPACE"
+            export CC=gcc
+            meson setup build-gcc-static_analyzer -Dxwayland=enabled \
+              -Dstatic_analyzer=enabled --werror
+            meson compile -C build-gcc-static_analyzer
+          ' | $TARGET
+
+
       # Runtime tests, these run on Debian and Void only (the later due to libmusl being used)
       - name: Build with clang - release
         run: |