llvm-project

9ac2d0a9 - Revert "[OpenMP] Remove LLVM_ENABLE_PROJECTS=openmp build mode (#152189)"

Revert "[OpenMP] Remove LLVM_ENABLE_PROJECTS=openmp build mode (#152189)" This reverts commit 20d0ec849804218d75647aeafbe23f8a02a83b56. The publish-sphinx-docs buildbot still uses LLVM_ENABLE_PROJECTS=openmp.