[Bug libstdc++/54268] std::string::reserve not consistent with std::vector::reserve

[vincenzo.innocente at cern dot ch]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54268

--- Comment #2 from vincenzo Innocente <vincenzo.innocente at cern dot ch> 
2012-08-15 14:31:48 UTC ---
clang behaves similarly (even with -stdlib=libc++)