diff --git a/examples/optimizer_collision_repro.myc b/examples/optimizer_collision_repro.myc
new file mode 100644
index 0000000..89ddb3c
--- /dev/null
+++ b/examples/optimizer_collision_repro.myc
@@ -0,0 +1,10 @@
+(do
+  (macro wrap [f] `(fn [x] (~f x)))
+
+  (def add1 (fn [x] (+ x 1)))
+  (def add2 (fn [x] (+ x 2)))
+
+  (def w1 (wrap add1))
+  (def w2 (wrap add2))
+
+  (w1 (w2 10)))