-Wignored-returns?

[Dale Johannesen]

On Thursday, December 6, 2001, at 04:11 PM, David E. Weekly wrote:

> GCC Team,
>
> Hello! I saw in the GCC Bug mail archives a post that a certain Gray 
> Watson
> had proposed in 1992 for warning on ignored return values:
> http://www.geocrawler.com/mail/msg.php3?msg_id=1968564&list=356. Such a
> warning flag would prove invaluable for myself and for others seeking to
> wholly replace lint with GCC warning flags and seems trivial to implement.
> Is this feature already in GCC or has it yet to be added?

See "Certain Changes We Don't Want To Make" in trouble.texi.