[Bug tree-optimization/115864] right shift being optimised out incorrectly

[notzed at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115864

--- Comment #2 from Michael Zutti <notzed at gmail dot com> ---
Created attachment 58630
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=58630&action=edit
output of gcc -v