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RR CClosure it_mkLambda gives wrong environment size #20728

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yannl35133 opened this issue Jun 8, 2025 · 0 comments · May be fixed by #20729
Open

RR CClosure it_mkLambda gives wrong environment size #20728

yannl35133 opened this issue Jun 8, 2025 · 0 comments · May be fixed by #20729
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kind: anomaly An uncaught exception has been raised. kind: bug An error, flaw, fault or unintended behaviour. needs: triage The validity of this issue needs to be checked, or the issue itself updated. part: kernel part: rewrite rules

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Description of the problem

Anomaly Not found (lookup env in irr_flex)

Small Rocq / Coq file to reproduce the bug

Inductive STrue : SProp := SI.
Inductive Box (A : SProp) : A -> Set := box a : Box A a.

Symbol S: bool -> Type -> Set.

Rewrite Rule S_rew :=
  S _ (forall (a : ?A), Box STrue ?b) => Box _ (fun a => ?b).

Check fun (x : STrue) =>
  (eq_refl : S true (unit -> Box STrue x) = S false (unit -> Box STrue x)).

Definition error (x : STrue) :=
  (eq_refl : S true (unit -> Box STrue x) = S false (unit -> Box STrue x)).

Version of Rocq / Coq where this bug occurs

8.20, 9.0, master

Interface of Rocq / Coq where this bug occurs

No response

Last version of Rocq / Coq where the bug did not occur

No response
@yannl35133 yannl35133 added kind: bug An error, flaw, fault or unintended behaviour. needs: triage The validity of this issue needs to be checked, or the issue itself updated. part: kernel kind: anomaly An uncaught exception has been raised. part: rewrite rules labels Jun 8, 2025
@yannl35133 yannl35133 linked a pull request Jun 8, 2025 that will close this issue
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kind: anomaly An uncaught exception has been raised. kind: bug An error, flaw, fault or unintended behaviour. needs: triage The validity of this issue needs to be checked, or the issue itself updated. part: kernel part: rewrite rules
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RR CClosure it_mkLambda gives wrong environment size Yann-Leray/coq
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@yannl35133