message: Add missing declarations for explicit instantiations.
diff: @@ -1797,6 +1797,10 @@ class HloInstruction {
  TF_DISALLOW_COPY_AND_ASSIGN(HloInstruction);
  };
  +// Explicit instantiations in hlo_instruction.cc.
  +extern template Status HloInstruction::Accept(DfsHloVisitor*, bool, bool);
  +extern template Status HloInstruction::Accept(ConstDfsHloVisitor*, bool, bool);
  +
  string ToString(HloInstruction::FusionKind kind);
  StatusOr<HloInstruction::FusionKind> StringToFusionKind(
  const string& kind_name);
  