Arg.GProtectedCollects information about which mutex protects which variable
include Lattice.Sinclude Lattice.POwiden x y assumes leq x y. Solvers guarantee this by calling widen old (join old new).
val make : kind:Queries.ProtectionKind.t -> VarSet.t -> tval get :
kind:Queries.ProtectionKind.t ->
Queries.Protection.t ->
t ->
VarSet.t