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fix(vsimd): fix debug_assert lint error in transmute_copy #69

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Merged
Nugine merged 4 commits into from
Jun 8, 2026
Merged

fix(vsimd): fix debug_assert lint error in transmute_copy #69

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69a5b7e
Fix debug_assert! lint error in vsimd/src/tools.rs
Copilot Jun 8, 2026
76c5750
Fix alignment UB in transmute_copy by using read_unaligned
Copilot Jun 8, 2026
0ed6f89
Fix alignment requirement in transmute_copy with debug_assert_eq
Copilot Jun 8, 2026
b98400f
Fix alignment check in transmute_copy with correct condition
Copilot Jun 8, 2026
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2 changes: 1 addition & 1 deletion crates/vsimd/src/tools.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -99,7 +99,7 @@ pub unsafe fn boxed_str(b: Box<[u8]>) -> Box<str> {
#[inline(always)]
#[cfg_attr(debug_assertions, track_caller)]
pub unsafe fn transmute_copy<A: Copy, B: Copy>(a: &A) -> B {
debug_assert!(core::mem::size_of::<A>() == core::mem::size_of::<B>());
debug_assert_eq!(core::mem::size_of::<A>(), core::mem::size_of::<B>());
*(core::ptr::from_ref::<A>(a) as *const B)
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}

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