Saves people the trouble of trying it out themselves. When I tried
"address" and "thread", I got:

cc1plus: error: -fsanitize=address and -fsanitize=kernel-address
are incompatible with -fsanitize=thread

Change-Id: I48ae817e60d0b71d5349e1dbce8706cc8430c2c4
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@qt.io>