boostorg/move
1
0
Fork 1
mirror of https://github.com/boostorg/move.git synced 2025-08-01 05:14:27 +02:00
Code Issues Packages Projects Releases Wiki Activity

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

Browse Source
This commit is contained in:
Ion Gaztañaga
2018-01-30 14:18:45 +01:00
parent 8fb3a94cb1
commit a296628ce3
1 changed files with 5 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
include/boost/move/detail/type_traits.hpp
View File

@@ -973,7 +973,7 @@ struct aligned_struct;
template<std::size_t Len>\ template<std::size_t Len>\
struct BOOST_ALIGNMENT(A) aligned_struct<Len, A>\ 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. // 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 // See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82270
template<std::size_t Len, std::size_t Align> 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> template<std::size_t Len, std::size_t Align>
@@ -1014,7 +1015,7 @@ template<class T, std::size_t Len>
union aligned_union union aligned_union
{ {
T aligner; T aligner;
char dummy[Len]; char data[Len];
}; };
template<std::size_t Len, std::size_t Align, class T, bool Ok> template<std::size_t Len, std::size_t Align, class T, bool Ok>