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| author |  Tej Chajed <tchajed@mit.edu> | 2017-03-10 11:05:27 -0500 |
|---|---|---|
| committer | Tej Chajed <tchajed@mit.edu> | 2017-03-22 10:05:17 -0400 |
| commit | 3602b909afc6eac0f150c9961a04b0bf50d8bbf0 (patch) | |
| tree | e39a63f54546e079e5f2fe29a36edaa68e5ac0e0 | |
| parent | cd87eac3757d8925ff4ba7dee85efadb195153a3 (diff) | |
funind: Ignore missing info for current function
Fixes [Coq bug #5372](https://coq.inria.fr/bugs/show_bug.cgi?id=5372)
"Anomaly: Not a valid information when defining mutual fixpoints that
are not mutual with Function".
| -rw-r--r-- | plugins/funind/functional_principles_proofs.ml | 3 | ||||
| -rw-r--r-- | test-suite/bugs/closed/5372.v | 7 |
2 files changed, 8 insertions, 2 deletions
diff --git a/plugins/funind/functional_principles_proofs.ml b/plugins/funind/functional_principles_proofs.ml index b0ffc775b..0bbe4bb4c 100644 --- a/plugins/funind/functional_principles_proofs.ml +++ b/plugins/funind/functional_principles_proofs.ml @@ -1215,7 +1215,7 @@ let prove_princ_for_struct (evd:Evd.evar_map ref) interactive_proof fun_num fnam let mk_fixes : tactic = let pre_info,infos = list_chop fun_num infos in match pre_info,infos with - | [],[] -> tclIDTAC + | _,[] -> tclIDTAC | _, this_fix_info::others_infos -> let other_fix_infos = List.map @@ -1231,7 +1231,6 @@ let prove_princ_for_struct (evd:Evd.evar_map ref) interactive_proof fun_num fnam else Proofview.V82.of_tactic (Tactics.mutual_fix this_fix_info.name (this_fix_info.idx + 1) other_fix_infos 0) - | _ -> anomaly (Pp.str "Not a valid information") in let first_tac : tactic = (* every operations until fix creations *) tclTHENSEQ diff --git a/test-suite/bugs/closed/5372.v b/test-suite/bugs/closed/5372.v new file mode 100644 index 000000000..2dc78d4c7 --- /dev/null +++ b/test-suite/bugs/closed/5372.v @@ -0,0 +1,7 @@ +(* coq bug 5372: https://coq.inria.fr/bugs/show_bug.cgi?id=5372 *) +Function odd (n:nat) := + match n with + | 0 => false + | S n => true + end +with even (n:nat) := false. |