https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65122
--- Comment #25 from Jonathan Wakely <redi at gcc dot gnu.org> --- Author: redi Date: Fri Oct 14 12:03:47 2016 New Revision: 241158 URL: https://gcc.gnu.org/viewcvs?rev=241158&root=gcc&view=rev Log: PR65122 extended alignment support in allocators PR libstdc++/65122 * include/ext/malloc_allocator.h (malloc_allocator::allocate): Use aligned_alloc for types with extended alignment if available, otherwise throw bad_alloc if malloc doesn't return a suitable value. * include/ext/bitmap_allocator.h (bitmap_allocator::allocate) (bitmap_allocator::deallocate): Use aligned new/delete for types with extended alignment. * include/ext/mt_allocator.h (__mt_alloc::allocate) (__mt_alloc::deallocate): Likewise. * include/ext/new_allocator.h (new_allocator::allocate) (new_allocator::deallocate): Likewise. * include/ext/pool_allocator.h (__pool_alloc::allocate) (__pool_alloc::deallocate): Likewise. * testsuite/20_util/allocator/overaligned.cc: New test. * testsuite/ext/bitmap_allocator/overaligned.cc: New test. * testsuite/ext/malloc_allocator/overaligned.cc: New test. * testsuite/ext/mt_allocator/overaligned.cc: New test. * testsuite/ext/new_allocator/overaligned.cc: New test. * testsuite/ext/pool_allocator/overaligned.cc: New test. Added: trunk/libstdc++-v3/testsuite/20_util/allocator/overaligned.cc trunk/libstdc++-v3/testsuite/ext/bitmap_allocator/overaligned.cc trunk/libstdc++-v3/testsuite/ext/malloc_allocator/overaligned.cc trunk/libstdc++-v3/testsuite/ext/mt_allocator/overaligned.cc trunk/libstdc++-v3/testsuite/ext/new_allocator/overaligned.cc trunk/libstdc++-v3/testsuite/ext/pool_allocator/overaligned.cc Modified: trunk/libstdc++-v3/ChangeLog trunk/libstdc++-v3/include/ext/bitmap_allocator.h trunk/libstdc++-v3/include/ext/malloc_allocator.h trunk/libstdc++-v3/include/ext/mt_allocator.h trunk/libstdc++-v3/include/ext/new_allocator.h trunk/libstdc++-v3/include/ext/pool_allocator.h