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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/issues/issue-22536-copy-mustnt-zero.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/issues/issue-22536-copy-mustnt-zero.rs')
-rw-r--r-- | src/test/ui/issues/issue-22536-copy-mustnt-zero.rs | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/test/ui/issues/issue-22536-copy-mustnt-zero.rs b/src/test/ui/issues/issue-22536-copy-mustnt-zero.rs new file mode 100644 index 000000000..017f36484 --- /dev/null +++ b/src/test/ui/issues/issue-22536-copy-mustnt-zero.rs @@ -0,0 +1,28 @@ +// run-pass +// Regression test for Issue #22536: If a type implements Copy, then +// moving it must not zero the original memory. + + +trait Resources { + type Buffer: Copy; + fn foo(&self) {} +} + +struct BufferHandle<R: Resources> { + raw: <R as Resources>::Buffer, +} +impl<R: Resources> Copy for BufferHandle<R> {} +impl<R: Resources> Clone for BufferHandle<R> { + fn clone(&self) -> BufferHandle<R> { *self } +} + +enum Res {} +impl Resources for Res { + type Buffer = u32; +} + +fn main() { + let b: BufferHandle<Res> = BufferHandle { raw: 1 }; + let c = b; + assert_eq!(c.raw, b.raw) +} |