message: Fix unstable downstream build issues
diff: +set(BUILD_SHARED_LIBS OFF)
  set(LLVM_APPEND_VC_REV OFF CACHE BOOL "" FORCE)
  set(LLVM_ENABLE_IDE OFF CACHE BOOL "" FORCE)
  -set(LLVM_ENABLE_ASSERTIONS OFF CACHE BOOL "" FORCE)
  +set(LLVM_ENABLE_ASSERTIONS ON CACHE BOOL "" FORCE)
  set(LLVM_ENABLE_BINDINGS OFF CACHE BOOL "" FORCE)
  set(LLVM_ENABLE_PROJECTS "mlir;openmp" CACHE STRING "" FORCE)
  set(LLVM_ENABLE_RTTI ON CACHE BOOL "" FORCE)
  