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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/fn/implied-bounds-unnorm-associated-type-3.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/test/ui/fn/implied-bounds-unnorm-associated-type-3.rs | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/test/ui/fn/implied-bounds-unnorm-associated-type-3.rs b/src/test/ui/fn/implied-bounds-unnorm-associated-type-3.rs new file mode 100644 index 000000000..dc25ac086 --- /dev/null +++ b/src/test/ui/fn/implied-bounds-unnorm-associated-type-3.rs @@ -0,0 +1,25 @@ +// check-fail +// See issue #91899. If we treat unnormalized args as WF, `Self` can also be a +// source of unsoundness. + +pub trait Yokeable<'a>: 'static { + type Output: 'a; +} + +impl<'a, T: 'static + ?Sized> Yokeable<'a> for &'static T { + type Output = &'a T; +} + +pub trait ZeroCopyFrom<C: ?Sized>: for<'a> Yokeable<'a> { + /// Clone the cart `C` into a [`Yokeable`] struct, which may retain references into `C`. + fn zero_copy_from<'b>(cart: &'b C) -> <Self as Yokeable<'b>>::Output; +} + +impl<T> ZeroCopyFrom<[T]> for &'static [T] { + fn zero_copy_from<'b>(cart: &'b [T]) -> &'b [T] { + //~^ the parameter + cart + } +} + +fn main() {} |