[Bug libstdc++/54393] std::getline is almost 10x slower when working on a vstring versus std::string

[azanella at linux dot vnet.ibm.com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54393

--- Comment #2 from Adhemerval Zanella <azanella at linux dot vnet.ibm.com> 2012-08-28 18:44:44 UTC ---
Created attachment 28094
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28094
__gnu_ext::__vstring getline optimization