[Bug c++/78427] missed optimization of loop condition

[vanyacpp at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78427

--- Comment #2 from Ivan Sorokin <vanyacpp at gmail dot com> ---
Created attachment 40086
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40086&action=edit
loop-bench.cpp

I uploaded my test program, so you can reproduce the issue.