http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43899
--- Comment #16 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- (In reply to Tobias Burnus from comment #15) > (In reply to Jerry DeLisle from comment #12) > > Remaining [...] is to warn on an unused namelist. I think this will involve > > marking namelists as used when resolving or translating I/O statements and > > then at some point, scan for any namelists not marked. > > I think the later scanning can be done when generating the DWARF debug > symbols (cf. PR37132) in trans-decl.c. While not very important, I find > such a warning useful. (One needs to be careful about those declared > in a module or accessed via host association. Fortunately, namelists > may not be declared in a BLOCK.) If there is a real need for a warning for unused namelist or namelist items, then a new PR should be open and this one closed. IMO it is just a waste of time: unused stuff having a strong tendency to produce false positive.
