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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/coherence/deep-bad-copy-reason.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/coherence/deep-bad-copy-reason.rs')
-rw-r--r-- | src/test/ui/coherence/deep-bad-copy-reason.rs | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/test/ui/coherence/deep-bad-copy-reason.rs b/src/test/ui/coherence/deep-bad-copy-reason.rs new file mode 100644 index 000000000..80bbe387a --- /dev/null +++ b/src/test/ui/coherence/deep-bad-copy-reason.rs @@ -0,0 +1,40 @@ +#![feature(extern_types)] + +extern "Rust" { + type OpaqueListContents; +} + +pub struct ListS<T> { + len: usize, + data: [T; 0], + opaque: OpaqueListContents, +} + +pub struct Interned<'a, T>(&'a T); + +impl<'a, T> Clone for Interned<'a, T> { + fn clone(&self) -> Self { + *self + } +} + +impl<'a, T> Copy for Interned<'a, T> {} + +pub struct List<'tcx, T>(Interned<'tcx, ListS<T>>); +//~^ NOTE this field does not implement `Copy` +//~| NOTE the `Copy` impl for `Interned<'tcx, ListS<T>>` requires that `OpaqueListContents: Sized` + +impl<'tcx, T> Clone for List<'tcx, T> { + fn clone(&self) -> Self { + *self + } +} + +impl<'tcx, T> Copy for List<'tcx, T> {} +//~^ ERROR the trait `Copy` may not be implemented for this type + +fn assert_is_copy<T: Copy>() {} + +fn main() { + assert_is_copy::<List<'static, ()>>(); +} |