File: bug_9644.v

package info (click to toggle)
coq 8.20.1%2Bdfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: sid, trixie
  • size: 44,116 kB
  • sloc: ml: 234,160; sh: 4,301; python: 3,270; ansic: 2,644; makefile: 882; lisp: 172; javascript: 63; xml: 24; sed: 2
file content (37 lines) | stat: -rw-r--r-- 630 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37

Lemma test
      (R : nat -> Prop)
      (_ : True)
      (G : R 0)
      (M : (exists n : nat, 0 = n) /\ True)
  : True.
Proof.
  destruct M as [[n K] _].
  rewrite K in G.
  exact I.
Qed.

Print test.
(* Used to be:
Anomaly "Uncaught exception Not_found."
Please report at http://coq.inria.fr/bugs/.
*)


Lemma test1
      (_ : True)
      (R : nat -> Prop)
      (G : R 0)
      (M : (exists n : nat, 0 = n) /\ True)
  : True.
Proof.
  destruct M as [[n K] _].
  rewrite K in G.
  exact I.
Qed.

Print test1.
(*  Used to be:
Anomaly "Uncaught exception Retyping.RetypeError(0)."
Please report at http://coq.inria.fr/bugs/.
*)