[Bug debug/51873] stringstream is opaque with g++

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51873

--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> 2012-01-16 
17:46:53 UTC ---
Works for me if I ensure the right libstdc++.so is found, via RPATH or
LD_LIBRARY_PATH

(gdb) p msg
$1 = {<std::basic_iostream<char, std::char_traits<char> >> = {
... lots of output ...
}}