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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/invalid_dispatch_from_dyn_impls.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 'src/test/ui/invalid_dispatch_from_dyn_impls.rs')
-rw-r--r-- | src/test/ui/invalid_dispatch_from_dyn_impls.rs | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/src/test/ui/invalid_dispatch_from_dyn_impls.rs b/src/test/ui/invalid_dispatch_from_dyn_impls.rs new file mode 100644 index 000000000..b7bc766fb --- /dev/null +++ b/src/test/ui/invalid_dispatch_from_dyn_impls.rs @@ -0,0 +1,51 @@ +#![feature(unsize, dispatch_from_dyn)] + +use std::{ + ops::DispatchFromDyn, + marker::{Unsize, PhantomData}, +}; + +struct WrapperWithExtraField<T>(T, i32); + +impl<T, U> DispatchFromDyn<WrapperWithExtraField<U>> for WrapperWithExtraField<T> +where + T: DispatchFromDyn<U>, +{} //~^^^ ERROR [E0378] + + +struct MultiplePointers<T: ?Sized>{ + ptr1: *const T, + ptr2: *const T, +} + +impl<T: ?Sized, U: ?Sized> DispatchFromDyn<MultiplePointers<U>> for MultiplePointers<T> +where + T: Unsize<U>, +{} //~^^^ ERROR [E0378] + + +struct NothingToCoerce<T: ?Sized> { + data: PhantomData<T>, +} + +impl<T: ?Sized, U: ?Sized> DispatchFromDyn<NothingToCoerce<T>> for NothingToCoerce<U> {} +//~^ ERROR [E0378] + +#[repr(C)] +struct HasReprC<T: ?Sized>(Box<T>); + +impl<T: ?Sized, U: ?Sized> DispatchFromDyn<HasReprC<U>> for HasReprC<T> +where + T: Unsize<U>, +{} //~^^^ ERROR [E0378] + +#[repr(align(64))] +struct OverAlignedZst; +struct OverAligned<T: ?Sized>(Box<T>, OverAlignedZst); + +impl<T: ?Sized, U: ?Sized> DispatchFromDyn<OverAligned<U>> for OverAligned<T> + where + T: Unsize<U>, +{} //~^^^ ERROR [E0378] + +fn main() {} |