1 files changed, 74 insertions, 0 deletions
diff --git a/test-suite/bugs/closed/HoTT_coq_085.v b/test-suite/bugs/closed/HoTT_coq_085.v
new file mode 100644
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+++ b/test-suite/bugs/closed/HoTT_coq_085.v
@@ -0,0 +1,74 @@
+Set Implicit Arguments.
+Set Universe Polymorphism.
+
+Module success.
+  Unset Primitive Projections.
+
+  Record category :=
+    { ob : Type;
+      hom : ob -> ob -> Type;
+      comp : forall x y z, hom y z -> hom x y -> hom x z }.
+
+  Delimit Scope hom_scope with hom.
+  Bind Scope hom_scope with hom.
+  Arguments hom : clear implicits.
+  Arguments comp _ _ _ _ _%hom _%hom : clear implicits.
+
+  Notation "f 'o' g" := (comp _ _ _ _ f g) (at level 40, left associativity) : hom_scope.
+
+  Record functor (C D : category) :=
+    { ob_of : ob C -> ob D;
+      hom_of : forall x y, hom C x y -> hom D (ob_of x) (ob_of y) }.
+
+  Delimit Scope functor_scope with functor.
+  Bind Scope functor_scope with functor.
+
+  Arguments hom_of _ _ _%functor _ _ _%hom.
+
+  Notation "F '_1' m" := (hom_of F _ _ m) (at level 10, no associativity) : hom_scope.
+
+  Axiom f_comp : forall C D E, functor D E -> functor C D -> functor C E.
+  Notation "f 'o' g" := (@f_comp _ _ _ f g) (at level 40, left associativity) : functor_scope.
+
+  Check ((_ o _) _1 _)%hom. (* ((?16 o ?17) _1 ?20)%hom
+     : hom ?15 (ob_of (?16 o ?17) ?18) (ob_of (?16 o ?17) ?19) *)
+End success.
+
+Module failure.
+  Set Primitive Projections.
+
+  Record category :=
+    { ob : Type;
+      hom : ob -> ob -> Type;
+      comp : forall x y z, hom y z -> hom x y -> hom x z }.
+
+  Delimit Scope hom_scope with hom.
+  Bind Scope hom_scope with hom.
+  Arguments hom : clear implicits.
+  Arguments comp _ _ _ _ _%hom _%hom : clear implicits.
+
+  Notation "f 'o' g" := (comp _ _ _ _ f g) (at level 40, left associativity) : hom_scope.
+
+  Record functor (C D : category) :=
+    { ob_of : ob C -> ob D;
+      hom_of : forall x y, hom C x y -> hom D (ob_of x) (ob_of y) }.
+
+  Delimit Scope functor_scope with functor.
+  Bind Scope functor_scope with functor.
+
+  Arguments hom_of _ _ _%functor _ _ _%hom.
+
+  Notation "F '_1' m" := (hom_of F _ _ m) (at level 10, no associativity) : hom_scope.
+  Notation "F '_2' m" := (hom_of F%functor _ _ m) (at level 10, no associativity) : hom_scope.
+
+  Axiom f_comp : forall C D E, functor D E -> functor C D -> functor C E.
+  Notation "f 'o' g" := (@f_comp _ _ _ f g) (at level 40, left associativity) : functor_scope.
+
+  Check ((_ o _) _2 _)%hom. (* ((?14 o ?15)%functor _1 ?18)%hom
+     : hom ?13 (ob_of (?14 o ?15)%functor ?16)
+         (ob_of (?14 o ?15)%functor ?17) *)
+  Check ((_ o _) _1 _)%hom. (* Toplevel input, characters 7-19:
+Error:
+The term "(?23 o ?24)%hom" has type "hom ?19 ?20 ?22"
+while it is expected to have type "functor ?25 ?26". *)
+End failure.