diff options
Diffstat (limited to 'plugins/derive')
| -rw-r--r-- | plugins/derive/derive.ml | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/plugins/derive/derive.ml b/plugins/derive/derive.ml index e39d17b52..f23f4ce7d 100644 --- a/plugins/derive/derive.ml +++ b/plugins/derive/derive.ml @@ -37,6 +37,7 @@ let start_deriving f suchthat lemma = let env' = Environ.push_named (LocalDef (f, ef, f_type)) env in let evdref = ref sigma in let suchthat = Constrintern.interp_type_evars env' evdref suchthat in + let suchthat = EConstr.Unsafe.to_constr suchthat in TCons ( env' , !evdref , suchthat , (fun sigma _ -> TNil sigma)))))) in |