map -package:unordered-containers -package:containers -package:imports -package:blaze-html -package:Cabal-syntax -is:exact -is:exact package:ghc is:module -is:exact

The assignment of virtual registers to stack slots
RoughMap is an approximate finite map data structure keyed on [RoughMatchTc]. This is useful when keying maps on lists of Types (e.g. an instance head).