diff options
Diffstat (limited to 'tactics/tactics.ml')
| -rw-r--r-- | tactics/tactics.ml | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/tactics/tactics.ml b/tactics/tactics.ml index 2e3a4e33b3..c979b8b040 100644 --- a/tactics/tactics.ml +++ b/tactics/tactics.ml @@ -5003,9 +5003,19 @@ let cache_term_by_tactic_then ~opaque ?(goal_type=None) id gk tac tacK = Declare.declare_constant ~internal:Declare.InternalTacticRequest ~local:true id decl in let cst = Impargs.with_implicit_protection cst () in - (* let evd, lem = Evd.fresh_global (Global.env ()) evd (ConstRef cst) in *) - let lem, ctx = Universes.unsafe_constr_of_global (ConstRef cst) in - let lem = EConstr.of_constr lem in + let lem = + if const.Entries.const_entry_polymorphic then + let uctx = Univ.ContextSet.of_context const.Entries.const_entry_universes in + (** Hack: the kernel may generate definitions whose universe variables are + not the same as requested in the entry because of constraints delayed + in the body, even in polymorphic mode. We mimick what it does for now + in hope it is fixed at some point. *) + let (_, body_uctx), _ = Future.force const.Entries.const_entry_body in + let uctx = Univ.ContextSet.to_context (Univ.ContextSet.union uctx body_uctx) in + let u = Univ.UContext.instance uctx in + mkConstU (cst, EInstance.make u) + else mkConst cst + in let evd = Evd.set_universe_context evd ectx in let open Safe_typing in let eff = private_con_of_con (Global.safe_env ()) cst in |