5 files changed, 66 insertions, 0 deletions
diff --git a/test-suite/bugs/closed/5286.v b/test-suite/bugs/closed/5286.v
new file mode 100644
index 0000000000..98d4e5c968
--- /dev/null
+++ b/test-suite/bugs/closed/5286.v
@@ -0,0 +1,9 @@
+Set Primitive Projections.
+
+CoInductive R := mkR { p : unit }.
+
+CoFixpoint foo := mkR tt.
+
+Check (eq_refl tt : p foo = tt).
+Check (eq_refl tt <: p foo = tt).
+Check (eq_refl tt <<: p foo = tt).
diff --git a/test-suite/bugs/closed/6297.v b/test-suite/bugs/closed/6297.v
new file mode 100644
index 0000000000..a28607058f
--- /dev/null
+++ b/test-suite/bugs/closed/6297.v
@@ -0,0 +1,8 @@
+Set Printing Universes.
+
+(* Error: Anomaly "Uncaught exception "Anomaly: Incorrect universe Set
+   declared for inductive type, inferred level is max(Prop, Set+1)."."
+   Please report at http://coq.inria.fr/bugs/. *)
+Fail Record LTS: Set :=
+  lts { St: Set;
+        init: St }.
diff --git a/test-suite/bugs/closed/6490.v b/test-suite/bugs/closed/6490.v
new file mode 100644
index 0000000000..dcf9ff29ed
--- /dev/null
+++ b/test-suite/bugs/closed/6490.v
@@ -0,0 +1,4 @@
+Inductive Foo (A' := I) (B : Type) := foo : Foo B.
+
+Goal Foo True. dtauto. Qed.
+Goal Foo True. firstorder. Qed.
diff --git a/test-suite/bugs/closed/6617.v b/test-suite/bugs/closed/6617.v
new file mode 100644
index 0000000000..9cabd62d48
--- /dev/null
+++ b/test-suite/bugs/closed/6617.v
@@ -0,0 +1,34 @@
+Definition MR {T M : Type} :=
+fun (R : M -> M -> Prop) (m : T -> M) (x y : T) => R (m x) (m y).
+
+Set Primitive Projections.
+
+Record sigma {A : Type} {B : A -> Type} : Type := sigmaI
+  { pr1 : A;  pr2 : B pr1 }.
+
+Axiom F : forall {A : Type} {R : A -> A -> Prop},
+  (forall x, (forall y, R y x -> unit) -> unit) -> forall (x : A), unit.
+
+Definition foo (A : Type) (l : list A) :=
+  let y := {| pr1 := A; pr2 := l |} in
+  let bar := MR lt (fun p : sigma =>
+                 (fix Ffix (x : list (pr1 p)) : nat :=
+                    match x with
+                    | nil => 0
+                    | cons _ x1 => S (Ffix x1)
+                    end) (pr2 p)) in
+fun (_ : bar y y) =>
+F (fun (r : sigma)
+       (X : forall q : sigma, bar q r -> unit) => tt).
+
+Definition fooT (A : Type) (l : list A) : Type :=
+  ltac:(let ty := type of (foo A l) in exact ty).
+Parameter P : forall A l, fooT A l -> Prop.
+
+Goal forall A l, P A l (foo A l).
+Proof.
+  intros; unfold foo.
+  Fail match goal with
+    | [ |- context [False]] => idtac
+  end.
+Admitted.
diff --git a/test-suite/bugs/opened/6393.v b/test-suite/bugs/opened/6393.v
new file mode 100644
index 0000000000..8d5d092333
--- /dev/null
+++ b/test-suite/bugs/opened/6393.v
@@ -0,0 +1,11 @@
+(* These always worked. *)
+Goal prod True True. firstorder. Qed.
+Goal True -> @sigT True (fun _ => True). firstorder. Qed.
+Goal prod True True. dtauto. Qed.
+Goal prod True True. tauto. Qed.
+
+(* These should work. *)
+Goal @sigT True (fun _ => True). dtauto. Qed.
+(* These should work, but don't *)
+(* Goal @sigT True (fun _ => True). firstorder. Qed. *)
+(* Goal @sigT True (fun _ => True). tauto. Qed. *)