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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 /tests/ui/structs-enums/enum-alignment.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 'tests/ui/structs-enums/enum-alignment.rs')
-rw-r--r-- | tests/ui/structs-enums/enum-alignment.rs | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/tests/ui/structs-enums/enum-alignment.rs b/tests/ui/structs-enums/enum-alignment.rs new file mode 100644 index 000000000..108dfe2e6 --- /dev/null +++ b/tests/ui/structs-enums/enum-alignment.rs @@ -0,0 +1,24 @@ +// run-pass +#![allow(dead_code)] +#![allow(deprecated)] + +use std::mem; + +fn addr_of<T>(ptr: &T) -> usize { + ptr as *const T as usize +} + +fn is_aligned<T>(ptr: &T) -> bool { + unsafe { + let addr: usize = mem::transmute(ptr); + (addr % mem::min_align_of::<T>()) == 0 + } +} + +pub fn main() { + let x = Some(0u64); + match x { + None => panic!(), + Some(ref y) => assert!(is_aligned(y)) + } +} |