Re: [Boost-bugs] [Boost C++ Libraries] #11312: smart_ptr::detail::as_allocator::allocate() adds alignment padding when it's not needed

Subject: Re: [Boost-bugs] [Boost C++ Libraries] #11312: smart_ptr::detail::as_allocator::allocate() adds alignment padding when it's not needed
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2015-05-17 06:42:57

#11312: smart_ptr::detail::as_allocator::allocate() adds alignment padding when
it's not needed
----------------------------------+-----------------------
  Reporter:  David Aue <david@…>  |      Owner:  glenfe
      Type:  Bugs                 |     Status:  new
 Milestone:  To Be Determined     |  Component:  smart_ptr
   Version:  Boost 1.57.0         |   Severity:  Problem
Resolution:                       |   Keywords:
----------------------------------+-----------------------

Comment (by glenfe):

 In fact, one step further:

 * If alignof(value_type) >= align(type) then do not add any additional
 padding.
 * Else add alignof(type) - alignof(value_type) bytes for padding.

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/11312#comment:6>
Boost C++ Libraries <http://www.boost.org/>
Boost provides free peer-reviewed portable C++ source libraries.