4 files changed, 57 insertions, 0 deletions
diff --git a/test-suite/bugs/closed/bug_13303.v b/test-suite/bugs/closed/bug_13303.v
new file mode 100644
index 0000000000..6bee24b48a
--- /dev/null
+++ b/test-suite/bugs/closed/bug_13303.v
@@ -0,0 +1,27 @@
+Module Pt1.
+
+  Module M. Universe i. End M.
+  Module N. Universe i. End N.
+  Import M.
+  Notation foo := Type@{i (* M.i??? *)}.
+  Import N.
+  Fail Check foo : Type@{M.i}. (* should NOT succeed *)
+  Check foo : Type@{i (* N.i *)}. (* should succeed *)
+
+  Definition bar@{i} := Type@{i}.
+  Check bar : Type@{N.i}.
+  Check bar : Type@{M.i}.
+
+End Pt1.
+
+Module Pt2.
+
+  Module M. Universe i. Notation foo := Type@{i}. End M.
+
+  Definition foo1 := M.foo.
+  (* should succeed, currently errors undeclared universe i *)
+
+  Definition foo2@{i} : Type@{i} := M.foo.
+  (* should succeed, currently errors universe inconsistency *)
+
+End Pt2.
diff --git a/test-suite/bugs/closed/bug_13456.v b/test-suite/bugs/closed/bug_13456.v
new file mode 100644
index 0000000000..b2e7fa7be5
--- /dev/null
+++ b/test-suite/bugs/closed/bug_13456.v
@@ -0,0 +1,5 @@
+Lemma minbug (n : nat) (P : nat -> Prop) (pn : P n) : exists (m : nat) (p : P m), True.
+Proof.
+  exists _, pn.
+  exact I.
+Qed.
diff --git a/test-suite/bugs/closed/bug_13493.v b/test-suite/bugs/closed/bug_13493.v
new file mode 100644
index 0000000000..779df8e7f2
--- /dev/null
+++ b/test-suite/bugs/closed/bug_13493.v
@@ -0,0 +1,7 @@
+Set Mangle Names.
+
+Goal forall (m n:nat), True.
+  intros m n. compare m n.
+  - constructor.
+  - constructor.
+Qed.
diff --git a/test-suite/bugs/closed/bug_13495.v b/test-suite/bugs/closed/bug_13495.v
new file mode 100644
index 0000000000..489574b854
--- /dev/null
+++ b/test-suite/bugs/closed/bug_13495.v
@@ -0,0 +1,18 @@
+Universe u.
+(* Constraint Set < u. *)
+Polymorphic Cumulative Record pack@{u} := Pack { pack_type : Type@{u} }.
+(* u is covariant *)
+
+Polymorphic Definition pack_id@{u} (p : pack@{u}) : pack@{u} :=
+  match p with
+  | Pack T => Pack T
+  end.
+Definition packid_nat (p : pack@{Set}) := pack_id@{u} p.
+(* No constraints: Set <= u *)
+
+Definition sr_dont_break := Eval compute in packid_nat.
+(* Incorrect elimination of "p" in the inductive type "pack":
+  ill-formed elimination predicate.
+
+  This is because it tries to enforce Set = u
+  *)