chore: add gnullvm cross check to the CI

.github/workflows/test.yml

@@ -121,6 +121,42 @@ jobs:
           command: test
           args: --target ${{ matrix.rust_target }} --manifest-path=${{ matrix.manifest }}
 
+  cross-windows-gnullvm-check:
+    name: Check ${{ matrix.manifest }} to ${{ matrix.rust_target }} with ${{ matrix.rust_toolchain }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        rust_target:
+          - aarch64-pc-windows-gnullvm
+          - i686-pc-windows-gnullvm
+          - x86_64-pc-windows-gnullvm
+        manifest: ["psm/Cargo.toml", "Cargo.toml"]
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/cache@v2
+        env:
+          LLVM_MINGW_VERSION: "20241030"
+        with:
+          path: llvm-mingw-version
+          key: ${{ env.LLVM_MINGW_VERSION }}
+      - name: Install llvm-mingw
+        if: steps.cache.outputs.cache-hit != 'true'
+        run: curl -L https://github.com/mstorsjo/llvm-mingw/releases/download/${{ env.LLVM_MINGW_VERSION }}/llvm-mingw-${{ env.LLVM_MINGW_VERSION }}-ucrt-ubuntu-20.04-x86_64.tar.xz | tar xJf -
+      - name: Add llvm-mingw to PATH
+        run: echo "${{ github.workspace }}/llvm-mingw-${{ env.LLVM_MINGW_VERSION }}-ucrt-ubuntu-20.04-x86_64/bin" >> $GITHUB_PATH
+      - name: Install Rust
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          profile: minimal
+          target: ${{ matrix.rust_target }}
+      - name: Build
+        uses: actions-rs/cargo@v1
+        with:
+          command: check
+          args: --target ${{ matrix.rust_target }} --manifest-path=${{ matrix.manifest }}
+
   cross-linux-test:
     name: Test ${{ matrix.manifest }} on ${{ matrix.rust_target }} with nightly ${{ matrix.mode }}
     runs-on: ubuntu-latest