[Boost-bugs] [Boost C++ Libraries] #8525: Iterator library warnings

Subject: [Boost-bugs] [Boost C++ Libraries] #8525: Iterator library warnings
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2013-04-30 07:01:11

#8525: Iterator library warnings
-------------------------------------+--------------------------------------
 Reporter:  lcarreon@…               |       Owner:  jeffrey.hellrung
     Type:  Bugs                     |      Status:  new             
Milestone:  To Be Determined         |   Component:  iterator        
  Version:  Boost 1.53.0             |    Severity:  Problem         
 Keywords:  iterator warning         |  
-------------------------------------+--------------------------------------
 Hi,

 I built Boost 1.53.0 on Fedora 18 32/64-bit using the following command:

 ./b2 link=shared runtime-link=shared address-model=32|64 variant=release

 and received the following messages:

 ./boost/archive/iterators/transform_width.hpp: In instantiation of
 ‘boost::archive::iterators::transform_width<Base, BitsOut, BitsIn,
 CharType>::transform_width(const
 boost::archive::iterators::transform_width<Base, BitsOut, BitsIn,
 CharType>&) [with Base = const char*; int BitsOut = 6; int BitsIn = 8;
 CharType = char]’:
 ./boost/archive/iterators/base64_from_binary.hpp:103:9:   required from
 ‘boost::archive::iterators::base64_from_binary<Base,
 CharType>::base64_from_binary(const
 boost::archive::iterators::base64_from_binary<Base, CharType>&) [with Base
 = boost::archive::iterators::transform_width<const char*, 6, 8>; CharType
 = char]’
 ./boost/iterator/iterator_adaptor.hpp:276:28:   required from
 ‘boost::iterator_adaptor<Derived, Base, Value, Traversal, Reference,
 Difference>::iterator_adaptor(const Base&) [with Derived =
 boost::archive::iterators::insert_linebreaks<boost::archive::iterators::base64_from_binary<boost::archive::iterators::transform_width<const
 char*, 6, 8> >, 76, const char>; Base =
 boost::archive::iterators::base64_from_binary<boost::archive::iterators::transform_width<const
 char*, 6, 8> >; Value = const char; Traversal =
 boost::single_pass_traversal_tag; Reference = const char; Difference =
 boost::use_default]’
 ./boost/archive/iterators/insert_linebreaks.hpp:88:18:   required from
 ‘boost::archive::iterators::insert_linebreaks<Base, N,
 CharType>::insert_linebreaks(T) [with T = const char*; Base =
 boost::archive::iterators::base64_from_binary<boost::archive::iterators::transform_width<const
 char*, 6, 8> >; int N = 76; CharType = const char]’
 ./boost/archive/impl/basic_text_oprimitive.ipp:60:5:   required from ‘void
 boost::archive::basic_text_oprimitive<OStream>::save_binary(const void*,
 std::size_t) [with OStream = std::basic_ostream<char>; std::size_t =
 unsigned int]’
 libs/serialization/src/basic_text_oprimitive.cpp:25:16:   required from
 here
 ./boost/archive/iterators/transform_width.hpp:104:18: warning:
 ‘boost::archive::iterators::transform_width<const char*, 6,
 8>::m_remaining_bits’ will be initialized after [-Wreorder]
 ./boost/archive/iterators/transform_width.hpp:101:21: warning:
 ‘boost::archive::iterators::transform_width<const char*, 6,
 8>::base_value_type boost::archive::iterators::transform_width<const
 char*, 6, 8>::m_buffer_in’ [-Wreorder]
 ./boost/archive/iterators/transform_width.hpp:119:5: warning:   when
 initialized here [-Wreorder]
 ./boost/archive/iterators/transform_width.hpp: In member function ‘void
 boost::archive::basic_text_iprimitive<IStream>::load_binary(void*,
 std::size_t) [with IStream = std::basic_istream<wchar_t>; std::size_t =
 unsigned int]’:
 ./boost/archive/iterators/transform_width.hpp:153:65: warning:
 ‘i.boost::archive::iterators::transform_width<boost::archive::iterators::binary_from_base64<boost::archive::iterators::remove_whitespace<boost::archive::iterators::istream_iterator<wchar_t>
 >, wchar_t>, 8, 6, wchar_t>::m_buffer_in’ may be used uninitialized in
 this function [-Wmaybe-uninitialized]
 In file included from ./boost/archive/impl/basic_text_iprimitive.ipp:31:0,
                  from
 libs/serialization/src/basic_text_wiprimitive.cpp:25:
 ./boost/archive/iterators/transform_width.hpp: In instantiation of
 ‘boost::archive::iterators::transform_width<Base, BitsOut, BitsIn,
 CharType>::transform_width(const
 boost::archive::iterators::transform_width<Base, BitsOut, BitsIn,
 CharType>&) [with Base =
 boost::archive::iterators::binary_from_base64<boost::archive::iterators::remove_whitespace<boost::archive::iterators::istream_iterator<wchar_t>
 >, wchar_t>; int BitsOut = 8; int BitsIn = 6; CharType = wchar_t]’:
 ./boost/archive/impl/basic_text_iprimitive.ipp:94:5:   required from ‘void
 boost::archive::basic_text_iprimitive<IStream>::load_binary(void*,
 std::size_t) [with IStream = std::basic_istream<wchar_t>; std::size_t =
 unsigned int]’
 libs/serialization/src/basic_text_wiprimitive.cpp:30:16:   required from
 here
 ./boost/archive/iterators/transform_width.hpp:104:18: warning:
 ‘boost::archive::iterators::transform_width<boost::archive::iterators::binary_from_base64<boost::archive::iterators::remove_whitespace<boost::archive::iterators::istream_iterator<wchar_t>
 >, wchar_t>, 8, 6, wchar_t>::m_remaining_bits’ will be initialized after
 [-Wreorder]
 ./boost/archive/iterators/transform_width.hpp:101:21: warning:
 ‘boost::archive::iterators::transform_width<boost::archive::iterators::binary_from_base64<boost::archive::iterators::remove_whitespace<boost::archive::iterators::istream_iterator<wchar_t>
 >, wchar_t>, 8, 6, wchar_t>::base_value_type
 boost::archive::iterators::transform_width<boost::archive::iterators::binary_from_base64<boost::archive::iterators::remove_whitespace<boost::archive::iterators::istream_iterator<wchar_t>
 >, wchar_t>, 8, 6, wchar_t>::m_buffer_in’ [-Wreorder]
 ./boost/archive/iterators/transform_width.hpp:119:5: warning:   when
 initialized here [-Wreorder]
 ./boost/archive/iterators/transform_width.hpp: In member function ‘void
 boost::archive::basic_text_iprimitive<IStream>::load_binary(void*,
 std::size_t) [with IStream = std::basic_istream<wchar_t>; std::size_t =
 unsigned int]’:
 ./boost/archive/iterators/transform_width.hpp:153:65: warning:
 ‘i.boost::archive::iterators::transform_width<boost::archive::iterators::binary_from_base64<boost::archive::iterators::remove_whitespace<boost::archive::iterators::istream_iterator<wchar_t>
 >, wchar_t>, 8, 6, wchar_t>::m_buffer_in’ may be used uninitialized in
 this function [-Wmaybe-uninitialized]
 ./boost/archive/iterators/transform_width.hpp: In instantiation of
 ‘boost::archive::iterators::transform_width<Base, BitsOut, BitsIn,
 CharType>::transform_width(const
 boost::archive::iterators::transform_width<Base, BitsOut, BitsIn,
 CharType>&) [with Base = const char*; int BitsOut = 6; int BitsIn = 8;
 CharType = char]’:
 ./boost/archive/iterators/base64_from_binary.hpp:103:9:   required from
 ‘boost::archive::iterators::base64_from_binary<Base,
 CharType>::base64_from_binary(const
 boost::archive::iterators::base64_from_binary<Base, CharType>&) [with Base
 = boost::archive::iterators::transform_width<const char*, 6, 8>; CharType
 = char]’
 ./boost/iterator/iterator_adaptor.hpp:276:28:   required from
 ‘boost::iterator_adaptor<Derived, Base, Value, Traversal, Reference,
 Difference>::iterator_adaptor(const Base&) [with Derived =
 boost::archive::iterators::insert_linebreaks<boost::archive::iterators::base64_from_binary<boost::archive::iterators::transform_width<const
 char*, 6, 8> >, 76, const char>; Base =
 boost::archive::iterators::base64_from_binary<boost::archive::iterators::transform_width<const
 char*, 6, 8> >; Value = const char; Traversal =
 boost::single_pass_traversal_tag; Reference = const char; Difference =
 boost::use_default]’
 ./boost/archive/iterators/insert_linebreaks.hpp:88:18:   required from
 ‘boost::archive::iterators::insert_linebreaks<Base, N,
 CharType>::insert_linebreaks(T) [with T = const char*; Base =
 boost::archive::iterators::base64_from_binary<boost::archive::iterators::transform_width<const
 char*, 6, 8> >; int N = 76; CharType = const char]’
 ./boost/archive/impl/basic_text_oprimitive.ipp:60:5:   required from ‘void
 boost::archive::basic_text_oprimitive<OStream>::save_binary(const void*,
 std::size_t) [with OStream = std::basic_ostream<wchar_t>; std::size_t =
 unsigned int]’
 libs/serialization/src/basic_text_woprimitive.cpp:30:16:   required from
 here
 ./boost/archive/iterators/transform_width.hpp:104:18: warning:
 ‘boost::archive::iterators::transform_width<const char*, 6,
 8>::m_remaining_bits’ will be initialized after [-Wreorder]
 ./boost/archive/iterators/transform_width.hpp:101:21: warning:
 ‘boost::archive::iterators::transform_width<const char*, 6,
 8>::base_value_type boost::archive::iterators::transform_width<const
 char*, 6, 8>::m_buffer_in’ [-Wreorder]
 ./boost/archive/iterators/transform_width.hpp:119:5: warning:   when
 initialized here [-Wreorder]

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/8525>
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