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Fix cuda::std::assume_aligned assertion #4023

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merged 2 commits into from
Mar 5, 2025
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Fix cuda::std::assume_aligned assertion #4023

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1059e01
replace sizeof with alignof
fbusato Mar 5, 2025
a4faccd
Update libcudacxx/include/cuda/std/__memory/assume_aligned.h
fbusato Mar 5, 2025
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2 changes: 1 addition & 1 deletion libcudacxx/include/cuda/std/__memory/assume_aligned.h
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Original file line number Diff line number Diff line change
Expand Up @@ -34,7 +34,7 @@ template <size_t _Align, class _Tp>
_CCCL_NODISCARD _LIBCUDACXX_HIDE_FROM_ABI constexpr _Tp* assume_aligned(_Tp* __ptr) noexcept
{
static_assert(_CUDA_VSTD::has_single_bit(_Align), "std::assume_aligned requires the alignment to be a power of 2");
static_assert(_Align >= sizeof(_Tp), "Alignment must be greater than or equal to the size of the input type");
static_assert(_Align >= alignof(_Tp), "Alignment must be greater than or equal to the size of the input type");
#if !defined(_CCCL_BUILTIN_IS_CONSTANT_EVALUATED)
return __ptr;
#else
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