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Diffstat (limited to '')
-rw-r--r-- | src/test/ui/unsized/issue-75899.rs | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/test/ui/unsized/issue-75899.rs b/src/test/ui/unsized/issue-75899.rs new file mode 100644 index 000000000..abff17e11 --- /dev/null +++ b/src/test/ui/unsized/issue-75899.rs @@ -0,0 +1,18 @@ +// check-pass + +trait Trait {} +impl<T> Trait for T {} + +trait Noop { + type Assoc: ?Sized; +} +impl<T: ?Sized> Noop for T { + type Assoc = T; +} + +struct NoopNewtype<T: ?Sized + Noop>(T::Assoc); +fn coerce_newtype<T: Trait>(x: &NoopNewtype<T>) -> &NoopNewtype<dyn Trait + '_> { + x +} + +fn main() {} |