1 files changed, 8 insertions, 0 deletions
diff --git a/tests/ui/consts/const-mut-refs/feature-gate-const_mut_refs.rs b/tests/ui/consts/const-mut-refs/feature-gate-const_mut_refs.rs
new file mode 100644
index 000000000..ce9be4ac5
--- /dev/null
+++ b/tests/ui/consts/const-mut-refs/feature-gate-const_mut_refs.rs
@@ -0,0 +1,8 @@
+fn main() {
+    foo(&mut 5);
+}
+
+const fn foo(x: &mut i32) -> i32 { //~ ERROR mutable references
+    *x + 1
+
+}