message: [XLA:CPU] Add additional assertions to __xla_cpu_runtime_ParallelForkJoin.
  I got bitten by a null pointer here.
diff: @@ -69,8 +69,13 @@ TF_ATTRIBUTE_NO_SANITIZE_MEMORY void __xla_cpu_runtime_ParallelForkJoin(
  CHECK_EQ(params, nullptr);
  CHECK_GT(num_partitions, 1);
  CHECK_GT(num_partitioned_dims, 0);
  + CHECK_NE(function_ptr, nullptr);
  + CHECK_NE(partitions, nullptr);
  const xla::ExecutableRunOptions* run_options =
  static_cast<const xla::ExecutableRunOptions*>(run_options_ptr);
  + CHECK_NE(run_options, nullptr);
  + CHECK_NE(run_options->intra_op_thread_pool(), nullptr);
  +
  ComputeFunctionType function =
  reinterpret_cast<ComputeFunctionType>(function_ptr);
  // Compute partition stride in 'partitions' array.
  