When will Gnu C++ support C++11 without explicitly asking for it?

Question

Currently, with g++-4.8.1 you have to compile a file in C++11-mode via

g++ -std=c++11 -o prog.x prog.cpp

Is there a plan when I just can sa

Answer 1

GCC 6.0: https://gcc.gnu.org/gcc-6/changes.html

The default mode for C++ is now -std=gnu++14 instead of -std=gnu++98.