Faster implementation of Proofview.undefined_evars and Proofview.undefined.
Faster implementation of Proofview.undefined_evars and Proofview.undefined.

We reduce the complexity from O(n²) to O(n log n).

coq/coq,ejgallego/coq,coq/coq,SkySkimmer/coq,SkySkimmer/coq,Zimmi48/coq,Zimmi48/coq,ejgallego/coq,Zimmi48/coq,ejgallego/coq,SkySkimmer/coq,SkySkimmer/coq,coq/coq,ejgallego/coq,coq/coq,Zimmi48/coq