Re: [Boost-bugs] [Boost C++ Libraries] #1301: copy-initialization from const-qualified object doesn't work

Subject: Re: [Boost-bugs] [Boost C++ Libraries] #1301: copy-initialization from const-qualified object doesn't work
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2007-11-06 22:07:49

#1301: copy-initialization from const-qualified object doesn't work
----------------------------------------------------+-----------------------
  Reporter:  Shunsuke Sogame <pstade.mb_at_[hidden]>  |       Owner:  fcacciola
      Type:  Bugs                                   |      Status:  closed   
 Milestone:  Boost 1.35.0                           |   Component:  optional 
   Version:  Boost 1.34.1                           |    Severity:  Problem  
Resolution:  wontfix                                |    Keywords:           
----------------------------------------------------+-----------------------
Changes (by fcacciola):

  * status:  assigned => closed
  * resolution:  => wontfix

Comment:

 Replying to [comment:2 Shunsuke Sogame <pstade.mb_at_[hidden]>]:
 > Replying to [comment:1 fcacciola]:
 > > I think it's a gcc bug.
 > > In any case I added the missing test case to see how other compilers
 handle it.
 >
 > Thanks for adding a test into optional_test_ref.cpp.

 :) BTW, I noticed that you have updated a test case only when I replied to
 the ticket, '''after''' I already added my own test case.

 > BTW,
 > `optional<int const&> orci2 = ci ;`
 > is a typo of
 > `optional<int const&> orci2(ci) ;` ?

 Oops, of course.

 BTW. I confimed this is a gcc bug as this simple program shows it:



 struct crw
 {
   crw ( int const& _cref ) : cref(_cref) {}

   int const& cref ;
 } ;

 int main( int, char* [] )
 {
   int const ci = 0 ;
   crw copy_init(ci);
   assert( &copy_init.cref == &ci ) ;

   crw direct_init = ci ;
   assert( &direct_init.cref == &ci ) ;  // This one fails here
 }

 I'm marking the new failures as expected.

-- 
Ticket URL: <http://svn.boost.org/trac/boost/ticket/1301#comment:3>
Boost C++ Libraries <http://www.boost.org/>
Boost provides free peer-reviewed portable C++ source libraries.