message: Moving once_flag as requested by reviewer
diff: @@ -42,7 +42,6 @@ limitations under the License.
  #endif
  namespace tensorflow {
  -absl::once_flag omp_setting_flag;
  ThreadPoolDevice::ThreadPoolDevice(const SessionOptions& options,
  const string& name, Bytes memory_limit,
  @@ -57,6 +56,7 @@ ThreadPoolDevice::ThreadPoolDevice(const SessionOptions& options,
  if (DisableMKL()) return;
  #ifdef _OPENMP
  const char* user_omp_threads = getenv("OMP_NUM_THREADS");
  + static absl::once_flag omp_setting_flag;
  if (user_omp_threads == nullptr) {
  // OMP_NUM_THREADS controls MKL's intra-op parallelization
  // Default to available physical cores
  