Re: [Boost-bugs] [Boost C++ Libraries] #1531: segfault in dynamic_bitset::reference assign operator

Subject: Re: [Boost-bugs] [Boost C++ Libraries] #1531: segfault in dynamic_bitset::reference assign operator
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2008-07-07 19:19:30

#1531: segfault in dynamic_bitset::reference assign operator
--------------------------------------+-------------------------------------
  Reporter:  ben.collins_at_[hidden]      |       Owner:  jsiek         
      Type:  Bugs                     |      Status:  closed        
 Milestone:  Boost 1.36.0             |   Component:  dynamic_bitset
   Version:  Boost Development Trunk  |    Severity:  Problem       
Resolution:  invalid                  |    Keywords:  dynamic_bitset
--------------------------------------+-------------------------------------
Changes (by gennaro_prota):

 * cc: gennaro.prota_at_[hidden] (added)
  * status:  new => closed
  * resolution:  => invalid

Comment:

 This isn't a bug: as noted in the previous comment, the size of {{{bset}}}
 is zero, and evaluating {{{bset[0]}}} violates the precondition {{{n <
 this->size()}}}, which holds for both the {{{operator[]()}}} members, and
 thus invokes '''undefined behavior'''.

-- 
Ticket URL: <http://svn.boost.org/trac/boost/ticket/1531#comment:2>
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