message: Add a comparator to GetReversePostOrder to make toposort deterministic
diff: @@ -4915,7 +4915,7 @@ Status Builder::TranslateGraph(
  // ought to be `const Node*`, but GetReversePostOrder doesn't use `const`
  vector<Node*> ordered;
  - GetReversePostOrder(*input_graph, &ordered);
  + GetReversePostOrder(*input_graph, &ordered, NodeComparatorName());
  //
  // Split ops into params, retvals, and all others.
  