http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59801
--- Comment #8 from Zhendong Su <su at cs dot ucdavis.edu> --- (In reply to Jakub Jelinek from comment #7) > Those two cases are different, the other PR was about automatic volatile > variables, where if they are unused it is really hard to come up with a way > how they could be modified behind compiler's back. While for this case, > variable in .data/.bss etc. section it is not so hard, the variable has a > name through which it can be referenced, eventhough only from within the > same assembly file. User could inject some assembly which will access it, > the var can use section attribute that places it into some magic section > that is e.g. IO mapped, etc. Thanks Jakub. So, this is confirmed then?
