message: [NFC] Polish coding style.
diff: @@ -159,10 +159,9 @@ bool ConcatHasNoEffect(const HloInstruction* concat) {
  // Slice Slice
  //
  std::vector<HloInstruction*> users = concat->users();
  - bool all_1d_slices = absl::c_all_of(users, [](const HloInstruction* i) {
  + if (!absl::c_all_of(users, [](const HloInstruction* i) {
  return Is1dSliceWithoutStrides(i);
  - });
  - if (!all_1d_slices) {
  + })) {
  // Limit our supported cases to 1 dimensional slices.
  return false;
  }
  