https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103633
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |pinskia at gcc dot gnu.org Last reconfirmed| |2021-12-09 Severity|normal |enhancement Ever confirmed|0 |1 Status|UNCONFIRMED |NEW --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- We don't recongize this either: int f21(unsigned long x) { int c = 0; for (; x; x >>= 1) { c+= (x & 1); } return c; } Confirmed.