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Guarantee that Layout::align returns a non-zero power of two #115653

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Oct 14, 2023
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Guarantee that Layout::align returns a non-zero power of two #115653

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Guarantee that Layout::align returns a non-zero power of two
joshlf Sep 7, 2023
a9b0966
Update library/core/src/alloc/layout.rs
joshlf Oct 12, 2023
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2 changes: 2 additions & 0 deletions library/core/src/alloc/layout.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -130,6 +130,8 @@ impl Layout {
}

/// The minimum byte alignment for a memory block of this layout.
///
/// The returned alignment is guaranteed to be a non-zero power of two.
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#[stable(feature = "alloc_layout", since = "1.28.0")]
#[rustc_const_stable(feature = "const_alloc_layout_size_align", since = "1.50.0")]
#[must_use = "this returns the minimum alignment, \
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