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re-enable debug checks in Miri

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This commit is contained in:
Ralf Jung 2019-07-24 20:47:24 +02:00
parent 01512616d1
commit f2900b0b41
1 changed files with 0 additions and 2 deletions
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src/libcore/intrinsics.rs
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@ -1333,7 +1333,6 @@ pub(crate) fn is_aligned_and_not_null<T>(ptr: *const T) -> bool {
/// Checks whether the regions of memory starting at `src` and `dst` of size
/// `count * size_of::<T>()` overlap.
#[cfg(not(miri))] // Cannot compare with `>` across allocations in Miri
fn overlaps<T>(src: *const T, dst: *const T, count: usize) -> bool {
let src_usize = src as usize;
let dst_usize = dst as usize;
@ -1438,7 +1437,6 @@ pub unsafe fn copy_nonoverlapping<T>(src: *const T, dst: *mut T, count: usize) {
debug_assert!(is_aligned_and_not_null(src), "attempt to copy from unaligned or null pointer");
debug_assert!(is_aligned_and_not_null(dst), "attempt to copy to unaligned or null pointer");
#[cfg(not(miri))]
debug_assert!(!overlaps(src, dst, count), "attempt to copy to overlapping memory");
copy_nonoverlapping(src, dst, count)
}