Merge PR #7825: [tactics] Refine test for unresolved evars: not reachable from initial evars

Ack-by: JasonGross
Ack-by: Zimmi48
Reviewed-by: ejgallego
Reviewed-by: gares
Ack-by: jfehrle
Ack-by: maximedenes
Reviewed-by: ppedrot

1 files changed, 7 insertions, 7 deletions

diff --git a/tactics/tactics.ml b/tactics/tactics.ml
index d33f3a5062..686779b1d2 100644
--- a/tactics/tactics.ml
+++ b/tactics/tactics.ml
@@ -5181,14 +5181,14 @@ end
 
 (** Tacticals defined directly in term of Proofview *)
 module New = struct
-  open Genredexpr
-  open Locus
-
   let reduce_after_refine =
-    reduce
-      (Lazy {rBeta=true;rMatch=true;rFix=true;rCofix=true;
-             rZeta=false;rDelta=false;rConst=[]})
-      {onhyps = Some []; concl_occs = AllOccurrences }
+    (* For backward compatibility reasons, we do not contract let-ins, but we unfold them. *)
+    let redfun env t =
+      let open CClosure in
+      let flags = RedFlags.red_add_transparent allnolet TransparentState.empty in
+      clos_norm_flags flags env t
+    in
+    reduct_in_concl ~check:false (redfun,DEFAULTcast)
 
   let refine ~typecheck c =
     Refine.refine ~typecheck c <*>