https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87621
--- Comment #1 from krux <hoganmeier at gmail dot com> --- Interestingly it happily unrolls the loop even with -fno-unroll-loops.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87621
--- Comment #1 from krux <hoganmeier at gmail dot com> --- Interestingly it happily unrolls the loop even with -fno-unroll-loops.