[Boost-bugs] [Boost C++ Libraries] #6772: Regression on Sandia-gcc-4.3.4_0x when refactoring code for T&&

Subject: [Boost-bugs] [Boost C++ Libraries] #6772: Regression on Sandia-gcc-4.3.4_0x when refactoring code for T&&
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2012-04-07 00:19:07

#6772: Regression on Sandia-gcc-4.3.4_0x when refactoring code for T&&
-------------------------------------+--------------------------------------
 Reporter:  viboes                   |       Owner:  danielw    
     Type:  Bugs                     |      Status:  new        
Milestone:  To Be Determined         |   Component:  utility    
  Version:  Boost Development Trunk  |    Severity:  Showstopper
 Keywords:                           |  
-------------------------------------+--------------------------------------
 Since the introduction of
  svn log boost/utility/base_from_member.hpp
 ------------------------------------------------------------------------
 r77046 | dlwalker | 2012-02-17 02:55:33 +0100 (Ven, 17 fév 2012) | 1 line

 Fixed (hopefully) conflict between boost::base_from_member's C++11
 constructor template and the automatically defined non-template copy-
 and/or move-constructors.
 ------------------------------------------------------------------------
 r76982 | dlwalker | 2012-02-11 19:27:02 +0100 (Sam, 11 fév 2012) | 1 line

 Updated boost::base_from_member for C++2011.

 There is an error on


 {{{
 Test output: Sandia-gcc-4.3.4_0x - format - format_test1 / gcc-4.3.4_0x
 Rev 77789 / Fri, 6 Apr 2012 05:57:33 +0000
 Report Time: Fri, 6 Apr 2012 22:01:09 +0000

 Compile [2012-04-06 07:43:02 UTC]: fail

     "/sierra/Sntools/extras/compilers/gcc-4.3.4/bin/g++"  -ftemplate-
 depth-128 -std=gnu++0x -O0 -fno-inline -Wall -g -fPIC
 -DBOOST_ALL_NO_LIB=1 -DBOOST_TEST_NO_AUTO_LINK=1  -I".." -c -o
 "/scratch/kbelco/boost/results/boost/bin.v2/libs/format/test/format_test1.test/gcc-4.3.4_0x/debug/format_test1.o"
 "../libs/format/test/format_test1.cpp"

 ../boost/utility/base_from_member.hpp: In constructor
 ???boost::base_from_member<MemberType, UniqueID>::base_from_member(T&&
 ...) [with T = boost::io::basic_altstringbuf<char, std::char_traits<char>,
 std::allocator<char> >*&, boost::io::basic_oaltstringstream<char,
 std::char_traits<char>, std::allocator<char> >::No_Op, EnableIf = void,
 MemberType = boost::shared_ptr<boost::io::basic_altstringbuf<char,
 std::char_traits<char>, std::allocator<char> > >, int UniqueID = 0]???:
 ../boost/format/alt_sstream.hpp:146:   instantiated from
 ???boost::io::basic_oaltstringstream<Ch, Tr,
 Alloc>::basic_oaltstringstream(boost::io::basic_altstringbuf<Ch, Tr,
 Alloc>*) [with Ch = char, Tr = std::char_traits<char>, Alloc =
 std::allocator<char>]???
 ../boost/format/feed_args.hpp:142:   instantiated from ???void
 boost::io::detail::put(T, const boost::io::detail::format_item<Ch, Tr,
 Alloc>&, typename boost::basic_format<Ch, Tr, Alloc>::string_type&,
 typename boost::basic_format<Ch, Tr, Alloc>::internal_streambuf_t&,
 boost::io::detail::locale_t*) [with Ch = char, Tr =
 std::char_traits<char>, Alloc = std::allocator<char>, T = const char
 (&)[11]]???
 ../boost/format/feed_args.hpp:253:   instantiated from ???void
 boost::io::detail::distribute(boost::basic_format<Ch, Tr, Alloc>&, T)
 [with Ch = char, Tr = std::char_traits<char>, Alloc =
 std::allocator<char>, T = const char (&)[11]]???
 ../boost/format/feed_args.hpp:263:   instantiated from
 ???boost::basic_format<Ch, Tr, Alloc>&
 boost::io::detail::feed(boost::basic_format<Ch, Tr, Alloc>&, T) [with Ch =
 char, Tr = std::char_traits<char>, Alloc = std::allocator<char>, T = const
 char (&)[11]]???
 ../boost/format/format_class.hpp:64:   instantiated from
 ???boost::basic_format<Ch, Tr, Alloc>& boost::basic_format<Ch, Tr,
 Alloc>::operator%(const T&) [with T = char [11], Ch = char, Tr =
 std::char_traits<char>, Alloc = std::allocator<char>]???
 ../libs/format/test/format_test1.cpp:40:   instantiated from here
 ../boost/utility/base_from_member.hpp:137: error: invalid static_cast from
 type ???boost::io::basic_altstringbuf<char, std::char_traits<char>,
 std::allocator<char> >*??? to type ???T&&???

 }}}

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/6772>
Boost C++ Libraries <http://www.boost.org/>
Boost provides free peer-reviewed portable C++ source libraries.