message: Update LLVM hash, manually, to fix Windows builds.
  Windows builds broken by LLVM before last integrate, fix came after the integrate (at https://github.com/llvm/llvm-project/commit/ac2aaa3788cc5e7e2bd3752ad9f71e37f411bdca)
diff: @@ -679,8 +679,8 @@ def tf_repositories(path_prefix = "", tf_repo_name = ""):
  )
  # Check out LLVM and MLIR from llvm-project.
  - LLVM_COMMIT = "52eb2f65a7d28bb225ca8a0bc8c4090d324e22d9"
  - LLVM_SHA256 = "ee10022c1b0f6f07cc9fc22ff4c4ec97e31d8d11e08119f0f084e238547df340"
  + LLVM_COMMIT = "ac2aaa3788cc5e7e2bd3752ad9f71e37f411bdca"
  + LLVM_SHA256 = "332d8977754142aae465571a6454d3b04a4dd36eca491d7cea07016232d33a0d"
  LLVM_URLS = [
  "https://storage.googleapis.com/mirror.tensorflow.org/github.com/llvm/llvm-project/archive/{commit}.tar.gz".format(commit = LLVM_COMMIT),
  "https://github.com/llvm/llvm-project/archive/{commit}.tar.gz".format(commit = LLVM_COMMIT),
  