Ubuntu

Binary package “lib64stdc++6” in ubuntu xenial

  1. Xenial (16.04)
  2. lib64stdc++6

GNU Standard C++ Library v3 (64bit)

 This package contains an additional runtime library for C++ programs
 built with the GNU compiler.
 .
 libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which
 was included up to g++-2.95. The first version of libstdc++-v3 appeared
 in g++-3.0.

Source package