diff options
Diffstat (limited to 'pretyping')
| -rw-r--r-- | pretyping/evarsolve.ml | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/pretyping/evarsolve.ml b/pretyping/evarsolve.ml index 83462d4c4..a2eebcc24 100644 --- a/pretyping/evarsolve.ml +++ b/pretyping/evarsolve.ml @@ -948,7 +948,10 @@ let rec is_constrainable_in k (ev,(fv_rels,fv_ids) as g) t = let f,args = decompose_app_vect t in match kind_of_term f with | Construct (ind,_) -> - let params,_ = Array.chop (Inductiveops.inductive_nparams ind) args in + let n = Inductiveops.inductive_nparams ind in + if n > Array.length args then true (* We don't try to be more clever *) + else + let params = fst (Array.chop n args) in Array.for_all (is_constrainable_in k g) params | Ind _ -> Array.for_all (is_constrainable_in k g) args | Prod (_,t1,t2) -> is_constrainable_in k g t1 && is_constrainable_in k g t2 |