1 files changed, 12 insertions, 0 deletions
diff --git a/test-suite/bugs/closed/3088.v b/test-suite/bugs/closed/3088.v
new file mode 100644
index 00000000..3c362510
--- /dev/null
+++ b/test-suite/bugs/closed/3088.v
@@ -0,0 +1,12 @@
+Inductive R {A} : A -> A -> Type := c : forall x y, R x y.
+
+Goal forall A (x y : A) P (e : R x y) (f : forall x y, P x y (c x y)),
+  let g := match e in R x y return P x y e with c x y => f x y end in
+  True.
+Proof.
+intros A x y P e f g.
+let t := eval red in g in
+match t with
+  (match ?E as e in R x y return @?P x y e with c X Y => @?f X Y end) => idtac P f
+end.
+Abort.