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-rw-r--r--src/type_check.ml2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/type_check.ml b/src/type_check.ml
index 216e8752..9db1f417 100644
--- a/src/type_check.ml
+++ b/src/type_check.ml
@@ -1184,7 +1184,7 @@ let solve env nexp =
try KBindings.find kid !bindings with
| Not_found -> fresh_var kid
in
- let env = Env.add_typ_var Parse_ast.Unknown (mk_kid "solve#") BK_nat env in
+ let env = Env.add_typ_var (mk_kid "solve#") BK_nat env in
let constr = Constraint.conj (nc_constraints env var_of (Env.get_constraints env))
(nc_constraint env var_of (nc_eq (nvar (mk_kid "solve#")) nexp))
in