Agda-2.3.2.2: test/interaction/Issue642.agda
module Issue642 where
module M₁ (X : Set) where
postulate F : X → Set
module M₂ (X : Set) where
open M₁ X public
postulate
A : Set
x : A
open M₂ A
foo : F x
foo = {!!}
-- The goal was displayed as M₁.F A x rather than F x. If "open M₂ A"
-- is replaced by "open M₁ A", then the goal is displayed correctly.