1 files changed, 11 insertions, 0 deletions
diff --git a/tests/ui/mir/mir_codegen_array.rs b/tests/ui/mir/mir_codegen_array.rs
new file mode 100644
index 00000000000..38e443d8e39
--- /dev/null
+++ b/tests/ui/mir/mir_codegen_array.rs
@@ -0,0 +1,11 @@
+// run-pass
+#![allow(unused_mut)]
+fn into_inner() -> [u64; 1024] {
+    let mut x = 10 + 20;
+    [x; 1024]
+}
+
+fn main(){
+    let x: &[u64] = &[30; 1024];
+    assert_eq!(&into_inner()[..], x);
+}