https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90201
--- Comment #2 from Dima Pro <prokofjev.d at gmail dot com> --- without -Werror=useless-cast no warning for this code at all.(In reply to Jonathan Wakely from comment #1) > N.B. This is a warning, not an error. Reporting that you get an error > because you turned it into an error doesn't change that is a warning :-) without -Werror=useless-cast no warning for this code at all.
