diff options
Diffstat (limited to 'parsing/g_vernac.ml4')
| -rw-r--r-- | parsing/g_vernac.ml4 | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/parsing/g_vernac.ml4 b/parsing/g_vernac.ml4 index 4a59b8597..819d236cd 100644 --- a/parsing/g_vernac.ml4 +++ b/parsing/g_vernac.ml4 @@ -131,7 +131,7 @@ let test_plural_form_types loc kwd = function let fresh_var env c = Namegen.next_ident_away (Id.of_string "pat") - (env @ Id.Set.elements (Topconstr.free_vars_of_constr_expr c)) + (List.fold_left (fun accu id -> Id.Set.add id accu) (Topconstr.free_vars_of_constr_expr c) env) let _ = Hook.set Constrexpr_ops.fresh_var_hook fresh_var |