// imprecision in our dep-graph tracking. The important thing is
// that for any given trait-ref, we always map to the **same**
// trait-select node.
- [] TraitSelect { trait_def_id: DefId, input_def_id: DefId },
+ [anon] TraitSelect,
// For proj. cache, we just keep a list of all def-ids, since it is
// not a hotspot.