http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55465
--- Comment #5 from Fran Martinez Fadrique <fmartinez at gmv dot com> 2012-11-26 17:36:04 UTC --- I have also tried with ekopath and g95 and both take it without a diagnostic. I have been checking section 15.4 of the ISO standard and I have found nothing that forbids that two fortran procedures have the same binding label. But this is just my interpretation.