[Bug libstdc++/60936] [5/6/7 Regression] Binary code bloat with std::string

[d.v.a at ngs dot ru]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60936

--- Comment #20 from __vic <d.v.a at ngs dot ru> ---
Patch attachment 38319 solves the problem for GCC 6.2 as well