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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /src/test/ui/packed/packed-struct-drop-aligned.rs | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/packed/packed-struct-drop-aligned.rs')
-rw-r--r-- | src/test/ui/packed/packed-struct-drop-aligned.rs | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/src/test/ui/packed/packed-struct-drop-aligned.rs b/src/test/ui/packed/packed-struct-drop-aligned.rs deleted file mode 100644 index 9f9f41e25..000000000 --- a/src/test/ui/packed/packed-struct-drop-aligned.rs +++ /dev/null @@ -1,57 +0,0 @@ -// run-pass -#![feature(generators)] -#![feature(generator_trait)] -use std::cell::Cell; -use std::mem; -use std::ops::Generator; -use std::pin::Pin; - -struct Aligned<'a> { - drop_count: &'a Cell<usize> -} - -#[inline(never)] -fn check_align(ptr: *const Aligned) { - assert_eq!(ptr as usize % mem::align_of::<Aligned>(), - 0); -} - -impl<'a> Drop for Aligned<'a> { - fn drop(&mut self) { - check_align(self); - self.drop_count.set(self.drop_count.get() + 1); - } -} - -#[repr(transparent)] -struct NotCopy(#[allow(unused_tuple_struct_fields)] u8); - -#[repr(packed)] -struct Packed<'a>(NotCopy, Aligned<'a>); - -fn main() { - let drop_count = &Cell::new(0); - { - let mut p = Packed(NotCopy(0), Aligned { drop_count }); - p.1 = Aligned { drop_count }; - assert_eq!(drop_count.get(), 1); - } - assert_eq!(drop_count.get(), 2); - - let drop_count = &Cell::new(0); - let mut g = || { - let mut p = Packed(NotCopy(0), Aligned { drop_count }); - let _ = &p; - p.1 = Aligned { drop_count }; - assert_eq!(drop_count.get(), 1); - // Test that a generator drop function moves a value from a packed - // struct to a separate local before dropping it. We move out the - // first field to generate and open drop for the second field. - drop(p.0); - yield; - }; - Pin::new(&mut g).resume(()); - assert_eq!(drop_count.get(), 1); - drop(g); - assert_eq!(drop_count.get(), 2); -} |