http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51829
--- Comment #6 from Marc Glisse <glisse at gcc dot gnu.org> 2012-05-13 09:06:42
UTC ---
With boost 1.49, g++-4.7 compiles the code just fine, while g++-4.6 gives:
u.cc: In function ‘void bug() [with <template-parameter-1-1> = void]’:
u.cc:14:24: instantiated from here
u.cc:11:3: error: cannot convert ‘const type {aka const
boost::proto::exprns_::expr<boost::proto::tagns_::tag::address_of,
boost::proto::argsns_::list1<const
boost::proto::exprns_::expr<boost::proto::tagns_::tag::bitwise_or,
boost::proto::argsns_::list2<const
boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal,
boost::proto::argsns_::term<boost::spirit::terminal_ex<boost::spirit::tag::eps,
boost::fusion::vector1<bool> > >, 0l>&,
boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal,
boost::proto::argsns_::term<const char&>, 0l> >, 2l>&>, 1l>}’ to ‘const type*
{aka const boost::proto::exprns_::expr<boost::proto::tagns_::tag::bitwise_or,
boost::proto::argsns_::list2<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal,
boost::proto::argsns_::term<boost::spirit::terminal_ex<boost::spirit::tag::eps,
boost::fusion::vector1<bool> > >, 0l>&,
boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal,
boost::proto::argsns_::term<const char&>, 0l> >, 2l>*}’ in assignment
