http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55465
Tobias Burnus <burnus at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|RESOLVED |REOPENED Last reconfirmed| |2013-05-22 Resolution|FIXED |--- Ever confirmed|0 |1 --- Comment #16 from Tobias Burnus <burnus at gcc dot gnu.org> --- (In reply to Juno Krahn from comment #13) > This issue was once discussed by members of the Fortran standards committee. > I don't recall if that was on usenet or somewhere in the committee meeting > notes. The conclusion was that it is useful to allow for multiple explicit > interfaces in order to interface correctly with C libraries, and that the > standards allow for it. Well, at least some standard committee members believe that the code in comment 0 is invalid: http://mailman.j3-fortran.org/pipermail/j3/2013-May/006397.html Let's open this PR - and use it to track the addition of some diagnostic. It might be a warning or error, it might depend on -std= or not.