backward analysis for computing set of maybe-live variables at each program point
module VarSet : sig ... endmodule Domain = VarSetmodule TransferFunctions : functor (CFG : ProcCfg.S) -> sig ... endmodule CFG : sig ... endmodule Analyzer : sig ... endval matcher_scope_guard : InferIR.QualifiedCppName.Match.quals_matchermodule CapturedByRefTransferFunctions : functor (CFG : ProcCfg.S) -> sig ... endmodule CapturedByRefAnalyzer : sig ... endval get_captured_by_ref_invariant_map : InferIR.Procdesc.t ‑> CapturedByRefAnalyzer.TransferFunctions.extras ProcData.t ‑> CapturedByRefAnalyzer.invariant_mapval checker : Callbacks.proc_callback_args ‑> Summary.t