This effort is dedicated to deflake the tests of the users which depend
on the unspecified behavior of algorithms and containers. This also
might help updating the sorting algorithm in libcxx which has the
quadratic worst case in the future or at least create a new one under
flag.
For detailed design, please see the design doc I provide in the patch
Email: kutdanila@yandex.ru, Author: Danila Kutenin. I don't have commit
rights
all elements in the vector