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-rw-r--r--pretyping/cases.ml11
1 files changed, 6 insertions, 5 deletions
diff --git a/pretyping/cases.ml b/pretyping/cases.ml
index 3f01adf7e..934cefbfe 100644
--- a/pretyping/cases.ml
+++ b/pretyping/cases.ml
@@ -65,13 +65,14 @@ let error_wrong_numarg_constructor ?loc env c n =
let error_wrong_numarg_inductive ?loc env c n =
raise_pattern_matching_error ?loc (env, Evd.empty, WrongNumargInductive(c,n))
-let rec list_try_compile f = function
- | [a] -> f a
- | [] -> anomaly (str "try_find_f")
+let list_try_compile f l =
+ let rec aux errors = function
+ | [] -> if errors = [] then anomaly (str "try_find_f") else raise (List.last errors)
| h::t ->
try f h
- with UserError _ | TypeError _ | PretypeError _ | PatternMatchingError _ ->
- list_try_compile f t
+ with UserError _ | TypeError _ | PretypeError _ | PatternMatchingError _ as e ->
+ aux (e::errors) t in
+ aux [] l
let force_name =
let nx = Name default_dependent_ident in function Anonymous -> nx | na -> na