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-rw-r--r--tactics/autorewrite.ml12
1 files changed, 9 insertions, 3 deletions
diff --git a/tactics/autorewrite.ml b/tactics/autorewrite.ml
index 039f022d..8e1d7cbf 100644
--- a/tactics/autorewrite.ml
+++ b/tactics/autorewrite.ml
@@ -208,8 +208,14 @@ let auto_multi_rewrite_with ?(conds=Naive) tac_main lbas cl gl =
(* Functions necessary to the library object declaration *)
let cache_hintrewrite (_,(rbase,lrl)) =
- let base = try find_base rbase with _ -> HintDN.empty in
- let max = try fst (Util.list_last (HintDN.find_all base)) with _ -> 0 in
+ let base =
+ try find_base rbase
+ with e when Errors.noncritical e -> HintDN.empty
+ in
+ let max =
+ try fst (Util.list_last (HintDN.find_all base))
+ with e when Errors.noncritical e -> 0
+ in
let lrl = HintDN.map (fun (i,h) -> (i + max, h)) lrl in
rewtab:=Stringmap.add rbase (HintDN.union lrl base) !rewtab
@@ -248,7 +254,7 @@ let evd_convertible env evd x y =
try
ignore(Unification.w_unify ~flags:Unification.elim_flags env evd Reduction.CONV x y); true
(* try ignore(Evarconv.the_conv_x env x y evd); true *)
- with _ -> false
+ with e when Errors.noncritical e -> false
let decompose_applied_relation metas env sigma c ctype left2right =
let find_rel ty =