[Bug libstdc++/60936] [4.9/5/6 Regression] Binary code bloat with std::string

[redi at gcc dot gnu.org]

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

--- Comment #15 from Jonathan Wakely <redi at gcc dot gnu.org> ---
It hasn't, but I'll do it for GCC 6 so people who care about the resulting size
can use the non-verbose option