[Bug c++/64724] C++ loop with -O3 optimization produces segfault while -O2 is fine

[aprokop at sandia dot gov]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64724

--- Comment #1 from Andrey Prokopenko <aprokop at sandia dot gov> ---
Created attachment 34526
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34526&action=edit
.ii file