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diff --git a/src/test/ui/wf/wf-foreign-fn-decl-ret.stderr b/src/test/ui/wf/wf-foreign-fn-decl-ret.stderr
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+error[E0277]: the trait bound `(): Foo` is not satisfied
+ --> $DIR/wf-foreign-fn-decl-ret.rs:11:25
+ |
+LL | pub fn lint_me() -> <() as Foo>::Assoc;
+ | ^^^^^^^^^^^^^^^^^^ the trait `Foo` is not implemented for `()`
+
+error[E0277]: the trait bound `u32: Unsatisfied` is not satisfied
+ --> $DIR/wf-foreign-fn-decl-ret.rs:14:32
+ |
+LL | pub fn lint_me_aswell() -> Bar<u32>;
+ | ^^^^^^^^ the trait `Unsatisfied` is not implemented for `u32`
+ |
+note: required by a bound in `Bar`
+ --> $DIR/wf-foreign-fn-decl-ret.rs:4:19
+ |
+LL | pub struct Bar<T: Unsatisfied>(T);
+ | ^^^^^^^^^^^ required by this bound in `Bar`
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0277`.