https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105253
--- Comment #3 from Khem Raj <raj.khem at gmail dot com> --- (In reply to Andrew Pinski from comment #1) > Two things. First the error message is for arm target but you then reference > x86_64 target options. > > Second there is a loop for popcount which gets translated but that was > guarded by a check for optab for popcount existing but maybe that changed. yes the issue is seen on both arm and x86_64, So test case is from x86_64 but the error message is from arm build. I can reduce that too tomorrow. Its with -O2, I have a shell script in tarball which has all the options used to compile.