From 6c795951346b846964fb031df07fba2d2cd8c7d0 Mon Sep 17 00:00:00 2001
From: Ellen <supbscripter@gmail.com>
Date: Mon, 13 Dec 2021 03:33:14 +0000
Subject: [PATCH] extra test for bug i found

---
 .../generic_arg_infer/dont-use-defaults.rs        | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 src/test/ui/const-generics/generic_arg_infer/dont-use-defaults.rs

diff --git a/src/test/ui/const-generics/generic_arg_infer/dont-use-defaults.rs b/src/test/ui/const-generics/generic_arg_infer/dont-use-defaults.rs
new file mode 100644
index 0000000000000..251160a0f5f29
--- /dev/null
+++ b/src/test/ui/const-generics/generic_arg_infer/dont-use-defaults.rs
@@ -0,0 +1,15 @@
+// run-pass
+#![feature(generic_arg_infer)]
+
+// test that we dont use defaults to aide in type inference
+
+struct Foo<const N: usize = 2>;
+impl<const N: usize> Foo<N> {
+    fn make_arr() -> [(); N] {
+        [(); N]
+    }
+}
+
+fn main() {
+    let [(), (), ()] = Foo::<_>::make_arr();
+}