diff options
Diffstat (limited to 'vernac/obligations.ml')
| -rw-r--r-- | vernac/obligations.ml | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/vernac/obligations.ml b/vernac/obligations.ml index 1a3b1f39b..8843e52f4 100644 --- a/vernac/obligations.ml +++ b/vernac/obligations.ml @@ -962,7 +962,7 @@ and obligation (user_num, name, typ) tac = let num = pred user_num in let prg = get_prog_err name in let obls, rem = prg.prg_obligations in - if num < Array.length obls then + if num >= 0 && num < Array.length obls then let obl = obls.(num) in match obl.obl_body with None -> solve_obligation prg num tac |