On Wed, 2005-11-02 at 20:35 -0500, Kaveh R. Ghazi wrote: > > Have another option to detect variables which are set but their values > > are not used (this was in one of the -Wuninitialized bugs and has been > > asked before). The EDG front-end implements this option. > > Andrew Pinski > > The sgi compiler detects this also. I'd really like gcc to have it, > but it seems to be an orthogonal project. I'd be real curious to know how they did this. Particularly since it plays into a lot of the same questions. OK, not curious enough to go look at their code myself :-)
For example, if the only use was inside an unreachable hunk of code, does that count as a use or not? jeff