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authorGravatar herbelin <herbelin@85f007b7-540e-0410-9357-904b9bb8a0f7>2010-06-13 11:09:51 +0000
committerGravatar herbelin <herbelin@85f007b7-540e-0410-9357-904b9bb8a0f7>2010-06-13 11:09:51 +0000
commit928d186f5dcc649793ea9f3dd8f880d93786dfe7 (patch)
tree35dba013cc375c73fd78d4476e326dfca747d127 /tactics/leminv.ml
parentf30692968587b96d7be86062efa57a777ddbbf09 (diff)
Fixed bug #2314 (inversion using not checking the correctness of its arguments
enough) git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13126 85f007b7-540e-0410-9357-904b9bb8a0f7
Diffstat (limited to 'tactics/leminv.ml')
-rw-r--r--tactics/leminv.ml5
1 files changed, 4 insertions, 1 deletions
diff --git a/tactics/leminv.ml b/tactics/leminv.ml
index abb114d91..6795b4817 100644
--- a/tactics/leminv.ml
+++ b/tactics/leminv.ml
@@ -288,7 +288,10 @@ let lemInv id c gls =
let clause = clenv_constrain_last_binding (mkVar id) clause in
Clenvtac.res_pf clause ~allow_K:true gls
with
- | UserError (a,b) ->
+ | NoSuchBinding ->
+ errorlabstrm ""
+ (hov 0 (pr_constr c ++ spc () ++ str "does not refer to an inversion lemma."))
+ | UserError (a,b) ->
errorlabstrm "LemInv"
(str "Cannot refine current goal with the lemma " ++
pr_lconstr_env (Global.env()) c)