diff options
Diffstat (limited to 'common/albit.h')
| -rw-r--r-- | common/albit.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/common/albit.h b/common/albit.h index a563a4e7..962eb0aa 100644 --- a/common/albit.h +++ b/common/albit.h @@ -4,6 +4,7 @@ #include <cstdint> #include <cstring> #include <limits> +#include <new> #include <type_traits> #if !defined(__GNUC__) && (defined(_WIN32) || defined(_WIN64)) #include <intrin.h> @@ -16,9 +17,9 @@ std::enable_if_t<sizeof(To) == sizeof(From) && std::is_trivially_copyable_v<From && std::is_trivially_copyable_v<To>, To> bit_cast(const From &src) noexcept { - union { char c; To dst; } u; - std::memcpy(&u.dst, &src, sizeof(To)); - return u.dst; + std::aligned_storage_t<sizeof(To), alignof(To)> dst; + std::memcpy(&dst, &src, sizeof(To)); + return *std::launder(reinterpret_cast<To*>(&dst)); } #ifdef __BYTE_ORDER__ |