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error[E0309]: the associated type `<Self as SomeTrait<'a>>::Type1` may not live long enough
--> $DIR/wf-trait-associated-type-region.rs:9:18
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LL | trait SomeTrait<'a> {
| -- the associated type `<Self as SomeTrait<'a>>::Type1` must be valid for the lifetime `'a` as defined here...
LL | type Type1;
LL | type Type2 = &'a Self::Type1;
| ^^^^^^^^^^^^^^^ ...so that the reference type `&'a <Self as SomeTrait<'a>>::Type1` does not outlive the data it points at
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help: consider adding an explicit lifetime bound
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LL | type Type2 = &'a Self::Type1 where <Self as SomeTrait<'a>>::Type1: 'a;
| ++++++++++++++++++++++++++++++++++++++++
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0309`.
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