1 files changed, 10 insertions, 0 deletions
diff --git a/tests/ui/consts/array-repeat-expr-not-const.rs b/tests/ui/consts/array-repeat-expr-not-const.rs
new file mode 100644
index 00000000000..55aee7336da
--- /dev/null
+++ b/tests/ui/consts/array-repeat-expr-not-const.rs
@@ -0,0 +1,10 @@
+//! Arrays created with `[value; length]` syntax need the length to be known at
+//! compile time. This test makes sure the compiler rejects runtime values like
+//! function parameters in the length position.
+
+fn main() {
+    fn create_array(n: usize) {
+        let _x = [0; n];
+        //~^ ERROR attempt to use a non-constant value in a constant [E0435]
+    }
+}