diff --git a/tests/run-pass/bad_substs.rs b/tests/run-pass/bad_substs.rs
new file mode 100644
index 000000000000..d8da2de5d6df
--- /dev/null
+++ b/tests/run-pass/bad_substs.rs
@@ -0,0 +1,4 @@
+fn main() {
+    let f: fn(i32) -> Option<i32> = Some::<i32>;
+    f(42);
+}