[Bug libstdc++/65122] std::vector doesn't honor element alignment

[jacob.benoit.1 at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65122

--- Comment #1 from Benoit Jacob <jacob.benoit.1 at gmail dot com> ---
Homologous libc++ bug report: http://llvm.org/bugs/show_bug.cgi?id=22634