From f854501ff2777353f5441e401715d3cf4c90bfb0 Mon Sep 17 00:00:00 2001
From: msozeau
Date: Fri, 17 Jun 2011 00:09:44 +0000
Subject: Fix bug 2269, program typechecker not used in Instance conclusions

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@14212 85f007b7-540e-0410-9357-904b9bb8a0f7
---
 plugins/subtac/subtac_classes.ml | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'plugins')

diff --git a/plugins/subtac/subtac_classes.ml b/plugins/subtac/subtac_classes.ml
index 05e634c58b..9fc3cb59ce 100644
--- a/plugins/subtac/subtac_classes.ml
+++ b/plugins/subtac/subtac_classes.ml
@@ -38,6 +38,11 @@ let interp_context_evars evdref env params =
     (fun env t -> SPretyping.understand_tcc_evars evdref env IsType t)
     (SPretyping.understand_judgment_tcc evdref) !evdref env params in bl
 
+let interp_type_evars_impls ~evdref ?(impls=empty_internalization_env) env c =
+  let c = intern_gen true ~impls !evdref env c in
+  let imps = Implicit_quantifiers.implicits_of_glob_constr ~with_products:true c in
+    SPretyping.understand_tcc_evars ~fail_evar:false evdref env IsType c, imps
+
 let type_ctx_instance evars env ctx inst subst =
   let rec aux (subst, instctx) l = function
     (na, b, t) :: ctx ->
-- 
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