1 files changed, 25 insertions, 0 deletions
diff --git a/test-suite/bugs/closed/3638.v b/test-suite/bugs/closed/3638.v
new file mode 100644
index 00000000..70144174
--- /dev/null
+++ b/test-suite/bugs/closed/3638.v
@@ -0,0 +1,25 @@
+(* File reduced by coq-bug-finder from original input, then from 7593 lines to 243 lines, then from 256 lines to 102 lines, then from 104 lines to 28 lines *)
+(* coqc version trunk (September 2014) compiled on Sep 17 2014 0:22:30 with OCaml 4.01.0
+   coqtop version cagnode16:/afs/csail.mit.edu/u/j/jgross/coq-trunk,trunk (d34e1eed232c84590ddb80d70db9f7f7cf13584a) *)
+Set Primitive Projections.
+Set Implicit Arguments.
+Record prod (A B : Type) := pair { fst : A ; snd : B }.
+Notation "x * y" := (prod x y) : type_scope.
+Notation "( x , y , .. , z )" := (pair .. (pair x y) .. z) : core_scope.
+Class UnitSubuniverse := { O : Type -> Type ; O_unit : forall T, T -> O T }.
+Class ReflectiveSubuniverse := { rsubu_usubu : UnitSubuniverse ; O_rectnd : forall {P Q : Type} (f : P -> Q), O P -> Q }.
+Global Existing Instance rsubu_usubu.
+Context {subU : ReflectiveSubuniverse}.
+Goal forall (A B : Type) (x : O A * O B) (x0 : B),
+       { g : _ & O_rectnd (fun z : A * B => (O_unit (fst z), O_unit (snd z)))
+                          (O_rectnd (fun a : A => O_unit (a, x0)) (fst x)) =
+                 g x0 }.
+  eexists.
+  Show Existentials. Set Printing Existential Instances. 
+  match goal with
+    | [ |- context[?e] ] => is_evar e; let e' := fresh "e'" in set (e' := e)
+  end.
+  
+
+(* Toplevel input, characters 15-114:
+Anomaly: Bad recursive type. Please report. *)
+\ No newline at end of file