[Bug other/29694] missed warnings about comparisons which are always true/false.
pluto at agmk dot net
Fri Nov 3 10:44:00 GMT 2006
------- 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 ?
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.
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