On Sat, 26 Jan 2019, Martin Jambor wrote: > I'd like to propose the following hunk mentioning -Wabsolute-value in > changes.html of the upcoming gcc 9. Is it OK?
Lovely^WThanks, ok! Actually, one question: > + <li><code>-Wabsolute-value</code> warns when a wrong absolute value > + function seems to be used or when it does not have any effect because > + its argument is an unsigned type. The <code>-Wabsolute-value</code> > + option is included in <code>-Wextra</code>. What is a "wrong absolute value function"? That might be good to show by means of an example? (Also in invoke.texi, which I checked before writing this.) Gerald
