[Bug libstdc++/56016] mutlithreading problem with iostream

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56016



--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> 2013-01-17 
09:16:20 UTC ---

You might need std::ios_base::sync_with_stdio(false);