[Bug c++/85057] GCC fails to vectorize code unless dummy loop is added

[mokreutzer at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85057

--- Comment #2 from Moritz Kreutzer <mokreutzer at gmail dot com> ---
Created attachment 43752
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=43752&action=edit
Example which GCC fails to vectorize