id	summary	reporter	owner	description	type	status	milestone	component	version	severity	resolution	keywords	cc
5706	Gcc 4.6 warnings for Boost Graph	ramon.casellas@…	Andrew Sutton	"Dear authors,

Compiling our applications with newest gcc-4.6- some warnings regarding boost graph are displayed. We would appreciate if you could silence them.

Please find below gcc output

Ubuntu oneiric 64  bits boost 1.47/ trunk , gcc Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/x86_64-linux-gnu/gcc/x86_64-linux-gnu/4.6.1/lto-wrapper
Target: x86_64-linux-gnu


{{{

/adnet/boost-1.47.0/include/boost/graph/detail/adj_list_edge_iterator.hpp: In member function ‘void boost::vec_adj_list_impl<Graph, Config, Base>::copy_impl(const boost::vec_adj_list_impl<Graph, Config, Base>&) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, pce::te::node_te_attributes, pce::te::link_te_attributes, pce::te::graph_te_attributes, boost::listS>, Config = boost::detail::adj_list_gen<boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, pce::te::node_te_attributes, pce::te::link_te_attributes, pce::te::graph_te_attributes, boost::listS>, boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_bundle_t, pce::te::node_te_attributes, boost::no_property>, boost::property<boost::edge_bundle_t, pce::te::link_te_attributes, boost::no_property>, pce::te::graph_te_attributes, boost::listS>::config, Base = boost::directed_graph_helper<boost::detail::adj_list_gen<boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, pce::te::node_te_attributes, pce::te::link_te_attributes, pce::te::graph_te_attributes, boost::listS>, boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_bundle_t, pce::te::node_te_attributes, boost::no_property>, boost::property<boost::edge_bundle_t, pce::te::link_te_attributes, boost::no_property>, pce::te::graph_te_attributes, boost::listS>::config>, boost::vec_adj_list_impl<Graph, Config, Base> = boost::vec_adj_list_impl<boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, pce::te::node_te_attributes, pce::te::link_te_attributes, pce::te::graph_te_attributes, boost::listS>, boost::detail::adj_list_gen<boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, pce::te::node_te_attributes, pce::te::link_te_attributes, pce::te::graph_te_attributes, boost::listS>, boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_bundle_t, pce::te::node_te_attributes, boost::no_property>, boost::property<boost::edge_bundle_t, pce::te::link_te_attributes, boost::no_property>, pce::te::graph_te_attributes, boost::listS>::config, boost::directed_graph_helper<boost::detail::adj_list_gen<boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, pce::te::node_te_attributes, pce::te::link_te_attributes, pce::te::graph_te_attributes, boost::listS>, boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_bundle_t, pce::te::node_te_attributes, boost::no_property>, boost::property<boost::edge_bundle_t, pce::te::link_te_attributes, boost::no_property>, pce::te::graph_te_attributes, boost::listS>::config> >]’:
/adnet/boost-1.47.0/include/boost/graph/detail/adj_list_edge_iterator.hpp:95:84: warning: ‘*((void*)& ei_end +32)’ may be used uninitialized in this function [-Wuninitialized]
/adnet/boost-1.47.0/include/boost/graph/detail/adjacency_list.hpp:2128:27: note: ‘*((void*)& ei_end +32)’ was declared here
/adnet/boost-1.47.0/include/boost/graph/detail/adj_list_edge_iterator.hpp:70:9: warning: ‘*((void*)(& ei)+48).__gnu_cxx::__normal_iterator<boost::detail::sep_<long unsigned int, boost::property<boost::edge_bundle_t, pce::te::link_te_attributes, boost::no_property> >*, std::vector<boost::detail::sep_<long unsigned int, boost::property<boost::edge_bundle_t, pce::te::link_te_attributes, boost::no_property> >, std::allocator<boost::detail::sep_<long unsigned int, boost::property<boost::edge_bundle_t, pce::te::link_te_attributes, boost::no_property> > > > >::_M_current’ may be used uninitialized in this function [-Wuninitialized]
/adnet/boost-1.47.0/include/boost/graph/detail/adjacency_list.hpp:2128:23: note: ‘*((void*)(& ei)+48).__gnu_cxx::__normal_iterator<boost::detail::sep_<long unsigned int, boost::property<boost::edge_bundle_t, pce::te::link_te_attributes, boost::no_property> >*, std::vector<boost::detail::sep_<long unsigned int, boost::property<boost::edge_bundle_t, pce::te::link_te_attributes, boost::no_property> >, std::allocator<boost::detail::sep_<long unsigned int, boost::property<boost::edge_bundle_t, pce::te::link_te_attributes, boost::no_property> > > > >::_M_current’ was declared here
/adnet/boost-1.47.0/include/boost/graph/detail/adjacency_list.hpp:2117:19: warning: ‘*((void*)(& ei)+32).__gnu_cxx::__normal_iterator<boost::detail::sep_<long unsigned int, boost::property<boost::edge_bundle_t, pce::te::link_te_attributes, boost::no_property> >*, std::vector<boost::detail::sep_<long unsigned int, boost::property<boost::edge_bundle_t, pce::te::link_te_attributes, boost::no_property> >, std::allocator<boost::detail::sep_<long unsigned int, boost::property<boost::edge_bundle_t, pce::te::link_te_attributes, boost::no_property> > > > >::_M_current’ may be used uninitialized in this function [-Wuninitialized]
}}}

Thank you in advance and best regards

R.
"	Feature Requests	reopened	Boost 1.56.0	graph	Boost Development Trunk	Optimization		uninitialized warnings