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diff --git a/src/test/ui/issues/issue-33941.stderr b/src/test/ui/issues/issue-33941.stderr
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+error[E0271]: type mismatch resolving `<std::collections::hash_map::Iter<'_, _, _> as Iterator>::Item == &_`
+ --> $DIR/issue-33941.rs:6:36
+ |
+LL | for _ in HashMap::new().iter().cloned() {}
+ | ^^^^^^ expected reference, found tuple
+ |
+ = note: expected reference `&_`
+ found tuple `(&_, &_)`
+note: required by a bound in `cloned`
+ --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL
+ |
+LL | Self: Sized + Iterator<Item = &'a T>,
+ | ^^^^^^^^^^^^ required by this bound in `cloned`
+
+error[E0271]: type mismatch resolving `<std::collections::hash_map::Iter<'_, _, _> as Iterator>::Item == &_`
+ --> $DIR/issue-33941.rs:6:14
+ |
+LL | for _ in HashMap::new().iter().cloned() {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected tuple, found reference
+ |
+ = note: expected tuple `(&_, &_)`
+ found reference `&_`
+ = note: required because of the requirements on the impl of `Iterator` for `Cloned<std::collections::hash_map::Iter<'_, _, _>>`
+ = note: required because of the requirements on the impl of `IntoIterator` for `Cloned<std::collections::hash_map::Iter<'_, _, _>>`
+
+error[E0271]: type mismatch resolving `<std::collections::hash_map::Iter<'_, _, _> as Iterator>::Item == &_`
+ --> $DIR/issue-33941.rs:6:14
+ |
+LL | for _ in HashMap::new().iter().cloned() {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected tuple, found reference
+ |
+ = note: expected tuple `(&_, &_)`
+ found reference `&_`
+ = note: required because of the requirements on the impl of `Iterator` for `Cloned<std::collections::hash_map::Iter<'_, _, _>>`
+
+error: aborting due to 3 previous errors
+
+For more information about this error, try `rustc --explain E0271`.