X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Ftactics%2FcloseCoercionGraph.ml;h=07308b4077fddd603a1f3088e9240c6b2ca2eeb7;hb=2b837ca9e298eb44eee95d9ca0e331c577785dcb;hp=2c67c95ee2a333154b80bce2ac3cc3760b783548;hpb=68dbcd02022874a025a9444aa1125b0458816fbb;p=helm.git

diff --git a/helm/software/components/tactics/closeCoercionGraph.ml b/helm/software/components/tactics/closeCoercionGraph.ml
index 2c67c95ee..07308b407 100644
--- a/helm/software/components/tactics/closeCoercionGraph.ml
+++ b/helm/software/components/tactics/closeCoercionGraph.ml
@@ -199,7 +199,7 @@ let generate_composite' (c1,sat1,arity1) (c2,sat2,arity2) context metasenv univ=
     let l_c2 = skip_appl (purge_lambdas term) in
     let l_c2_b,l_c2_a =
      try
-      HExtlib.split_nth (c2_pis - sat2 - 1) l_c2
+      HExtlib.split_nth "CCG 1" (c2_pis - sat2 - 1) l_c2
      with
       Failure _ -> assert false in
     let l_c1,l_c2_a =