Environment for temporary identifiers used in instructions. Lazy implementation: only created when actually used.
val create : InferIR.Procdesc.t ‑> tval expand_expr : t ‑> InferIR.Exp.t ‑> InferIR.Exp.tval exp_is_temp : t ‑> InferIR.Exp.t ‑> boolval expand_expr_temps : t ‑> InferIR.Procdesc.Node.t ‑> InferIR.Exp.t ‑> InferIR.Exp.tStronger version of expand_expr which also expands a temporary variable.