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authorGravatar Pierre-Marie Pédrot <pierre-marie.pedrot@inria.fr>2016-11-25 18:34:53 +0100
committerGravatar Pierre-Marie Pédrot <pierre-marie.pedrot@inria.fr>2017-02-14 17:30:41 +0100
commit02dd160233adc784eac732d97a88356d1f0eaf9b (patch)
treed2baacdc2a4ae06e4607bfe09b48ba2c23a78a0f /plugins/derive
parenta5499688bd76def8de3d8e1089a49c7a08430903 (diff)
Removing various compatibility layers of tactics.
Diffstat (limited to 'plugins/derive')
-rw-r--r--plugins/derive/derive.ml1
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