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-rw-r--r--pretyping/typeclasses.ml4
1 files changed, 2 insertions, 2 deletions
diff --git a/pretyping/typeclasses.ml b/pretyping/typeclasses.ml
index 4ae72a5151..31ef3dfdd7 100644
--- a/pretyping/typeclasses.ml
+++ b/pretyping/typeclasses.ml
@@ -548,7 +548,7 @@ let solve_all_instances env evd filter unique split fail =
(* let solve_classeskey = Profile.declare_profile "solve_typeclasses" *)
(* let solve_problem = Profile.profile5 solve_classeskey solve_problem *)
-let resolve_typeclasses ?(filter=no_goals) ?(unique=get_typeclasses_unique_solutions ())
+let resolve_typeclasses ?(fast_path = true) ?(filter=no_goals) ?(unique=get_typeclasses_unique_solutions ())
?(split=true) ?(fail=true) env evd =
- if not (has_typeclasses filter evd) then evd
+ if fast_path && not (has_typeclasses filter evd) then evd
else solve_all_instances env evd filter unique split fail