[Bug tree-optimization/61175] failing vectorization in case of "complex access pattern"

[vincenzo.innocente at cern dot ch]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61175

--- Comment #1 from vincenzo Innocente <vincenzo.innocente at cern dot ch> ---
adding 
#pragma GCC ivdep
before the loop makes no difference