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Merge PR #17665: Remove bugged test of leaking evars in class_tactics
Reviewed-by: ppedrot Co-authored-by: ppedrot <ppedrot@users.noreply.github.com>
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,38 @@ | ||
Typeclasses eauto := debug. | ||
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Class Foo A := foo : A. | ||
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Hint Extern 0 (Foo _) => lazy beta delta; give_up : typeclass_instances. | ||
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Lemma t A : A. | ||
notypeclasses refine ((_ : Foo A)). | ||
typeclasses eauto. | ||
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(* | ||
No more subgoals, but there are some goals you gave up: | ||
A | ||
You need to go back and solve them. | ||
*) | ||
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Abort. | ||
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Lemma t A : A. | ||
refine ((_ : Foo A)). | ||
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(* | ||
1: looking for (Foo A) without backtracking | ||
1.1: (*external*) (lazy beta delta; give_up) on | ||
(Foo A), 0 subgoal(s) | ||
leaking evar 10 | ||
A | ||
Anomaly: | ||
File "tactics/class_tactics.ml", line 1345, characters 11-17: Assertion failed. | ||
Please report at http://coq.inria.fr/bugs/. | ||
*) | ||
Unshelve. | ||
all:fail. (* no more goals *) | ||
Fail Qed. | ||
Abort. |