https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123604
--- Comment #1 from Kuratius <kuratius at googlemail dot com> --- Playing around with compiler flags seems to be able to reproduce the old behavior on gcc 15 if compiled with -Os instead of -O2 or -O3 and the unroll is changed to being always applied: https://godbolt.org/z/1Kb1E876P
