Re: [Boost-bugs] [Boost C++ Libraries] #12913: Undefined behaviour in serialization library

Subject: Re: [Boost-bugs] [Boost C++ Libraries] #12913: Undefined behaviour in serialization library
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2017-05-04 16:12:02

#12913: Undefined behaviour in serialization library
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  Reporter:  johnmaddock              |      Owner:  ramey
      Type:  Bugs                     |     Status:  assigned
 Milestone:  To Be Determined         |  Component:  serialization
   Version:  Boost Development Trunk  |   Severity:  Problem
Resolution:                           |   Keywords:
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Changes (by ramey):

 * status:  new => assigned

Comment:

 "most of the failures look like issues with the tests"  and examples as
 well.

 Unfortunately, when making the tests and examples, I totally ignored the
 issue of object lifetime.  Actually it should be addressed in the
 documentation itself since de-serialization of a pointer creates a new
 object which may be without an owner.  It's odd that no one has complained
 about this.  I sometimes wonder if this causes problems for some people.
 In any case, it prevents me from running the "sanitizers" which I would
 have liked to be able to do.  Making alterations to support this would
 take a very large amount of time which is hard to justify for the
 serialization library these days.  I'm wondering when it will be replaced.

 This particular error is kind of interesting.  According to the message,
 the complaint is in trying to downcast an object of type
 xml_oarchive_impl<xml_oarchive> to an object of type xml_oarchive.  But
 I'm quite sure that xml_oarchive has xml_oarchive_impl<xml_oarchive> as a
 base class. So I can't really understand the message and I'm not really
 sure what to do about it - if anything.

 Thanks for pointing this out - I'll leave this open in case I stumble upon
 something which sheds light on it.

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/12913#comment:1>
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