https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68995
--- Comment #3 from TC <rs2740 at gmail dot com> --- (In reply to Jonathan Wakely from comment #2) > (In reply to Andrew Pinski from comment #1) > > I think TR1 is considered as non-supported now. > > Pretty much. The documentation may need updating if that's the case. > people trying to mix C++11 and TR1 are weird and should be shunned. I don't disagree :)