https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111097
--- Comment #1 from Fabio Cannizzo <fabio at cannizzo dot net> --- Changing the `#if 1` to `#if 0` is probably the easiest way to isolate the debug. It causes only minimal changes to the generated assembler. I forgot to mention, the code is compiled with the flags -O3 -msse4.2 -std=c++17
