1 files changed, 27 insertions, 0 deletions
diff --git a/src/test/ui/mut/mut-pattern-mismatched.stderr b/src/test/ui/mut/mut-pattern-mismatched.stderr
new file mode 100644
index 000000000..cad1cef51
--- /dev/null
+++ b/src/test/ui/mut/mut-pattern-mismatched.stderr
@@ -0,0 +1,27 @@
+error[E0308]: mismatched types
+  --> $DIR/mut-pattern-mismatched.rs:6:10
+   |
+LL |      let &_
+   |          ^^ types differ in mutability
+...
+LL |         = foo;
+   |           --- this expression has type `&mut {integer}`
+   |
+   = note: expected mutable reference `&mut {integer}`
+                      found reference `&_`
+
+error[E0308]: mismatched types
+  --> $DIR/mut-pattern-mismatched.rs:15:9
+   |
+LL |     let &mut _
+   |         ^^^^^^ types differ in mutability
+...
+LL |          = bar;
+   |            --- this expression has type `&{integer}`
+   |
+   = note:      expected reference `&{integer}`
+           found mutable reference `&mut _`
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0308`.