https://bugs.kde.org/show_bug.cgi?id=388787
--- Comment #1 from Paul Floyd <pa...@free.fr> ---
The LLVM libcxx implementation of aligned new does the following:
void *
operator new(std::size_t size, std::align_val_t alignment) _THROW_BAD_ALLOC
{
set size to at least 1
set align to at least size of void*
::posix_memalign(&p, static_cast<size_t>(alignment), size)
if failed throw bad_alloc
return pointer
}
The other aligned operator news just call the above one. The aligned deletes
just call ordinary delete. There is some conditional compilation for MSVCRT but
that should not be a concern.
The libstdc++ is quite similar
operator new (std::size_t sz, std::align_val_t al)
{
set size to at least 1
round up size to a multiple of alignment
allocate with 'aligned_alloc' which is a wrapper around posix_memalign or
malloc if posix_memalign is not available
if failed throw bad_alloc
return pointer
}
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