1 files changed, 25 insertions, 0 deletions
diff --git a/tests/ui/borrowck/borrow-raw-address-of-deref-mutability.stderr b/tests/ui/borrowck/borrow-raw-address-of-deref-mutability.stderr
new file mode 100644
index 000000000..4cc1d821d
--- /dev/null
+++ b/tests/ui/borrowck/borrow-raw-address-of-deref-mutability.stderr
@@ -0,0 +1,25 @@
+error[E0596]: cannot borrow `*x` as mutable, as it is behind a `&` reference
+  --> $DIR/borrow-raw-address-of-deref-mutability.rs:8:13
+   |
+LL |     let q = &raw mut *x;
+   |             ^^^^^^^^^^^ `x` is a `&` reference, so the data it refers to cannot be borrowed as mutable
+   |
+help: consider changing this to be a mutable reference
+   |
+LL |     let x = &mut 0;
+   |             ~~~~~~
+
+error[E0596]: cannot borrow `*x` as mutable, as it is behind a `*const` pointer
+  --> $DIR/borrow-raw-address-of-deref-mutability.rs:14:13
+   |
+LL |     let q = &raw mut *x;
+   |             ^^^^^^^^^^^ `x` is a `*const` pointer, so the data it refers to cannot be borrowed as mutable
+   |
+help: consider changing this to be a mutable pointer
+   |
+LL |     let x = &mut 0 as *const i32;
+   |             ~~~~~~
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0596`.