1 files changed, 17 insertions, 0 deletions
diff --git a/src/test/ui/consts/min_const_fn/mutable_borrow.rs b/src/test/ui/consts/min_const_fn/mutable_borrow.rs
new file mode 100644
index 000000000..580b1d50f
--- /dev/null
+++ b/src/test/ui/consts/min_const_fn/mutable_borrow.rs
@@ -0,0 +1,17 @@
+const fn mutable_ref_in_const() -> u8 {
+    let mut a = 0;
+    let b = &mut a; //~ ERROR mutable references
+    *b
+}
+
+struct X;
+
+impl X {
+    const fn inherent_mutable_ref_in_const() -> u8 {
+        let mut a = 0;
+        let b = &mut a; //~ ERROR mutable references
+        *b
+    }
+}
+
+fn main() {}