message: [XLA:CPU] Always initialize result of the sort predicate
  Technically this gets overwritten by less_than. However, less_than is JIT'ed code, which msan cannot track, leading to false positive warnings about uninitialized memory.
diff: @@ -80,7 +80,7 @@ TF_ATTRIBUTE_NO_SANITIZE_MEMORY void __xla_cpu_runtime_KeyValueSort(
  comparison_values[i * 2] = values[i] + memory_index_lhs;
  comparison_values[i * 2 + 1] = values[i] + memory_index_rhs;
  }
  - char result;
  + char result = 0; // Overwritten by less_than.
  less_than(&result, run_options, comparison_values.get(), nullptr,
  prof_counters);
  return result != 0u;
  