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-rw-r--r--pretyping/evarutil.ml3
1 files changed, 2 insertions, 1 deletions
diff --git a/pretyping/evarutil.ml b/pretyping/evarutil.ml
index 1f256b3bda..e8d79703af 100644
--- a/pretyping/evarutil.ml
+++ b/pretyping/evarutil.ml
@@ -1004,7 +1004,8 @@ let check_evars env initial_sigma evd c =
assert (Evd.mem sigma evk);
if not (Evd.mem initial_sigma evk) then
let (loc,k) = evar_source evk evd in
- error_unsolvable_implicit loc env sigma k
+ let evi = nf_evar_info sigma (Evd.find sigma evk) in
+ error_unsolvable_implicit loc env sigma evi k
| _ -> iter_constr proc_rec c
in proc_rec c