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error[E0277]: the trait bound `for<'a> &'a _: Trait` is not satisfied
--> $DIR/issue-89333.rs:6:5
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LL | test(&|| 0);
| ^^^^^^^^^^^ the trait `for<'a> Trait` is not implemented for `&'a _`
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help: this trait has no implementations, consider adding one
--> $DIR/issue-89333.rs:9:1
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LL | trait Trait {}
| ^^^^^^^^^^^
note: required by a bound in `test`
--> $DIR/issue-89333.rs:11:55
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LL | fn test<T>(arg: &impl Fn() -> T) where for<'a> &'a T: Trait {}
| ^^^^^ required by this bound in `test`
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0277`.
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