https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81679
Eric Gallager <egallager at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |WAITING Last reconfirmed| |2019-02-03 Ever confirmed|0 |1 --- Comment #6 from Eric Gallager <egallager at gcc dot gnu.org> --- (In reply to Eric Gallager from comment #5) > (In reply to jos...@codesourcery.com from comment #4) > > On Wed, 2 Aug 2017, msebor at gcc dot gnu.org wrote: > > > > > If there is a concern that the attribute could be used on declarations in > > > existing code that the optimization might break, then the attribute could > > > be > > > specified differently (e.g., as a function attribute with an argument > > > number > > > indicating which argument is unused; that would also differentiate it from > > > the existing function attribute). Or the same feature could be provided > > > under a different attribute. The main idea here is the ability to express > > > the notion that a function doesn't modify an object via its (non-const) > > > pointer argument. The name for the feature is secondary (though "unused" > > > is obviously a nice fit). > > > > The "unused" attribute always means "possibly unused, don't warn if > > actually unused". It would be a mistake to make it mean anything else. > > ...so close this as WONTFIX then? WAITING on a reply