------- Comment #2 from pluto at agmk dot net 2006-11-03 10:44 ------- (In reply to comment #1) > Adding -W/-Wextra and we get a warning: > t.c: In function �foo�: > t.c:3: warning: comparison of unsigned expression < 0 is always false > t.c:5: warning: comparison of unsigned expression >= 0 is always true > > > I always forget what -Wextra is for.
what about -Walways-true ? <man> -Walways-true Warn about comparisons which are always true such as testing if unsigned values are greater than or equal to zero. This warning is enabled by -Wall. </man> -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29694
