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Add member "data" char array to aligned_storage::type so that placement new does not break strict alignment

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Ion Gaztañaga
2018-01-30 14:18:45 +01:00
parent 8fb3a94cb1
commit a296628ce3
1 changed files with 5 additions and 4 deletions
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9
include/boost/move/detail/type_traits.hpp
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@ -973,7 +973,7 @@ struct aligned_struct;
template<std::size_t Len>\
struct BOOST_ALIGNMENT(A) aligned_struct<Len, A>\
{\
char dummy[Len];\
char data[Len];\
};\
//
@ -997,9 +997,10 @@ BOOST_MOVE_ALIGNED_STORAGE_WITH_BOOST_ALIGNMENT(0x1000)
// Workaround for bogus [-Wignored-attributes] warning on GCC 6.x/7.x: don't use a type that "directly" carries the alignment attribute.
// See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82270
template<std::size_t Len, std::size_t Align>
struct aligned_struct_wrapper
union aligned_struct_wrapper
{
aligned_struct<Len, Align> dummy;
aligned_struct<Len, Align> aligner;
char data[sizeof(aligned_struct<Len, Align>)];
};
template<std::size_t Len, std::size_t Align>
@ -1014,7 +1015,7 @@ template<class T, std::size_t Len>
union aligned_union
{
T aligner;
char dummy[Len];
char data[Len];
};
template<std::size_t Len, std::size_t Align, class T, bool Ok>