message: Integrate LLVM at llvm/llvm-project@0776eca7a4e7
  Updates LLVM usage to match
  [0776eca7a4e7](https://github.com/llvm/llvm-project/commit/0776eca7a4e7)
diff: @@ -4,8 +4,8 @@ load("//third_party:repo.bzl", "tf_http_archive")
  def repo(name):
  """Imports LLVM."""
  - LLVM_COMMIT = "5657f93e788f093c70fb448dd6f9398b149df278"
  - LLVM_SHA256 = "47f798395db279dba107a35bffe4c32551d58a5bb443f9cb94e4f309a778f46e"
  + LLVM_COMMIT = "0776eca7a4e76bfadc311f3607be3a4f0c0e989a"
  + LLVM_SHA256 = "93ac9bca36b7121d29a0415ce29c614293206622cf24b674e34e83545427c8bc"
  tf_http_archive(
  name = name,
  