------- Additional Comments From peturr02 at ru dot is 2005-01-19 17:06 ------- Created an attachment (id=7993) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=7993&action=view) Test case
Compiling this fails with: g++0116 -Wall -static 1.cc -o 1 /usr/local/lib/gcc/i686-pc-linux-gnu/4.0.0/include/c++/tr1/utility: In function ‘typename std::tr1::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type& std::tr1::get(std::pair<_Tp1, _Tp2>&) [with int _Int = 1, _Tp1 = A, _Tp2 = B]’: 1.cc:9: instantiated from here /usr/local/lib/gcc/i686-pc-linux-gnu/4.0.0/include/c++/tr1/utility:80: error: invalid initialization of reference of type ‘B&’ from expression of type ‘A’ /usr/local/lib/gcc/i686-pc-linux-gnu/4.0.0/include/c++/tr1/utility: In function ‘const typename std::tr1::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type& std::tr1::get(const std::pair<_Tp1, _Tp2>&) [with int _Int = 1, _Tp1 = B, _Tp2 = A]’: 1.cc:12: instantiated from here /usr/local/lib/gcc/i686-pc-linux-gnu/4.0.0/include/c++/tr1/utility:85: error: invalid initialization of reference of type ‘const A&’ from expression of type ‘const B’ /usr/local/lib/gcc/i686-pc-linux-gnu/4.0.0/include/c++/tr1/utility: In static member function ‘static _Tp1& std::tr1::__pair_get<1>::__get(std::pair<_T1, _T2>&) [with _Tp1 = A, _Tp2 = B]’: /usr/local/lib/gcc/i686-pc-linux-gnu/4.0.0/include/c++/tr1/utility:80: instantiated from ‘typename std::tr1::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type& std::tr1::get(std::pair<_Tp1, _Tp2>&) [with int _Int = 1, _Tp1 = A, _Tp2 = B]’ 1.cc:9: instantiated from here /usr/local/lib/gcc/i686-pc-linux-gnu/4.0.0/include/c++/tr1/utility:70: error: invalid initialization of reference of type ‘A&’ from expression of type ‘B’ /usr/local/lib/gcc/i686-pc-linux-gnu/4.0.0/include/c++/tr1/utility: In static member function ‘static const _Tp1& std::tr1::__pair_get<1>::__const_get(const std::pair<_T1, _T2>&) [with _Tp1 = B, _Tp2 = A]’: /usr/local/lib/gcc/i686-pc-linux-gnu/4.0.0/include/c++/tr1/utility:85: instantiated from ‘const typename std::tr1::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type& std::tr1::get(const std::pair<_Tp1, _Tp2>&) [with int _Int = 1, _Tp1 = B, _Tp2 = A]’ 1.cc:12: instantiated from here /usr/local/lib/gcc/i686-pc-linux-gnu/4.0.0/include/c++/tr1/utility:74: error: invalid initialization of reference of type ‘const B&’ from expression of type ‘const A’ make: *** [1] Error 1 -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19535
