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This simplifies the implementation of std::aligned_storage. For the unstable ABI it also fixes the bug where its size is too large when the default alignment is used. We can't fix that for the stable ABI though, so just add a comment about the bug. libstdc++-v3/ChangeLog: PR libstdc++/61458 * doc/doxygen/user.cfg.in (GENERATE_BUGLIST): Set to NO. * include/std/type_traits (__aligned_storage_msa): Remove. (__aligned_storage_max_align_t): New struct. (__aligned_storage_default_alignment): New function. (aligned_storage): Use __aligned_storage_default_alignment for default alignment. Replace union with a struct containing an aligned buffer. Improve Doxygen comment. (aligned_storage_t): Use __aligned_storage_default_alignment for default alignment. |
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