1 files changed, 11 insertions, 0 deletions
diff --git a/src/test/ui/const-generics/generic_const_exprs/feature-gate-generic_const_exprs.rs b/src/test/ui/const-generics/generic_const_exprs/feature-gate-generic_const_exprs.rs
new file mode 100644
index 000000000..10ab2fd86
--- /dev/null
+++ b/src/test/ui/const-generics/generic_const_exprs/feature-gate-generic_const_exprs.rs
@@ -0,0 +1,11 @@
+type Arr<const N: usize> = [u8; N - 1];
+//~^ ERROR generic parameters may not be used in const operations
+
+fn test<const N: usize>() -> Arr<N> where Arr<N>: Default {
+    Default::default()
+}
+
+fn main() {
+    let x = test::<33>();
+    assert_eq!(x, [0; 32]);
+}