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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/mir/mir_fat_ptr_drop.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/mir/mir_fat_ptr_drop.rs')
-rw-r--r-- | src/test/ui/mir/mir_fat_ptr_drop.rs | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/test/ui/mir/mir_fat_ptr_drop.rs b/src/test/ui/mir/mir_fat_ptr_drop.rs new file mode 100644 index 000000000..d865c3499 --- /dev/null +++ b/src/test/ui/mir/mir_fat_ptr_drop.rs @@ -0,0 +1,32 @@ +// run-pass +#![allow(unused_variables)] +#![allow(stable_features)] + +// test that ordinary fat pointer operations work. + +#![feature(braced_empty_structs)] +#![feature(rustc_attrs)] + +use std::sync::atomic; +use std::sync::atomic::Ordering::SeqCst; + +static COUNTER: atomic::AtomicUsize = atomic::AtomicUsize::new(0); + +struct DropMe { +} + +impl Drop for DropMe { + fn drop(&mut self) { + COUNTER.fetch_add(1, SeqCst); + } +} + +fn fat_ptr_move_then_drop(a: Box<[DropMe]>) { + let b = a; +} + +fn main() { + let a: Box<[DropMe]> = Box::new([DropMe { }]); + fat_ptr_move_then_drop(a); + assert_eq!(COUNTER.load(SeqCst), 1); +} |