message: Allow downgrade of LLVM (to use llvm 12 in Windows)
diff: @@ -119,7 +119,7 @@ jobs:
  if: matrix.llvm_choco_version
  shell: bash
  run: |
  - choco install llvm --version ${{ matrix.llvm_choco_version }}
  + choco install llvm --version ${{ matrix.llvm_choco_version }} --allow-downgrade
  cd 'C:\Program Files\LLVM\'
  LLVM_DIR=$(pwd)
  echo "LLVM_SYS_110_PREFIX=${LLVM_DIR}" >> $GITHUB_ENV
  