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diff --git a/src/test/ui/coercion/coerce-overloaded-autoderef-fail.stderr b/src/test/ui/coercion/coerce-overloaded-autoderef-fail.stderr
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+error[E0499]: cannot borrow `*x` as mutable more than once at a time
+ --> $DIR/coerce-overloaded-autoderef-fail.rs:9:24
+ |
+LL | let y = borrow_mut(x);
+ | - first mutable borrow occurs here
+LL | let z = borrow_mut(x);
+ | ^ second mutable borrow occurs here
+LL |
+LL | drop((y, z));
+ | - first borrow later used here
+
+error[E0506]: cannot assign to `**x` because it is borrowed
+ --> $DIR/coerce-overloaded-autoderef-fail.rs:17:5
+ |
+LL | let y = borrow(x);
+ | - borrow of `**x` occurs here
+LL | let z = borrow(x);
+LL | **x += 1;
+ | ^^^^^^^^ assignment to borrowed `**x` occurs here
+LL |
+LL | drop((y, z));
+ | - borrow later used here
+
+error[E0499]: cannot borrow `*x` as mutable more than once at a time
+ --> $DIR/coerce-overloaded-autoderef-fail.rs:23:20
+ |
+LL | borrow_mut2(x, x);
+ | ----------- - ^ second mutable borrow occurs here
+ | | |
+ | | first mutable borrow occurs here
+ | first borrow later used by call
+
+error[E0502]: cannot borrow `*x` as mutable because it is also borrowed as immutable
+ --> $DIR/coerce-overloaded-autoderef-fail.rs:28:5
+ |
+LL | borrow2(x, x);
+ | -------^^^^-^
+ | | |
+ | | immutable borrow occurs here
+ | mutable borrow occurs here
+ | immutable borrow later used by call
+
+error: aborting due to 4 previous errors
+
+Some errors have detailed explanations: E0499, E0502, E0506.
+For more information about an error, try `rustc --explain E0499`.