message: Typo
  Reviewers: davidn, jamesn
diff: @@ -191,7 +191,7 @@ unsigned CastsElimination::ReplaceNodes() {
  // Handle all the unused casts
  const std::vector<unsigned> unused_casts_patterns = {3, 4};
  - for (const auto pattern_index : unsued_casts_patterns) {
  + for (const auto pattern_index : unused_casts_patterns) {
  for (HloMatcherMatched& match : matches_[pattern_index]) {
  if (match.ok) {
  auto* convert_out = match.instructions[0];
  