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-rw-r--r--pretyping/tacred.ml1
1 files changed, 1 insertions, 0 deletions
diff --git a/pretyping/tacred.ml b/pretyping/tacred.ml
index 9d6eb31b44..91cd088443 100644
--- a/pretyping/tacred.ml
+++ b/pretyping/tacred.ml
@@ -189,6 +189,7 @@ let check_fix_reversibility labs args ((lv,i),(_,tys,bds)) =
if
Array.for_all (noccurn k) tys
&& Array.for_all (noccurn (k+nbfix)) bds
+ && k <= n
then
(k, List.nth labs (k-1))
else