This is Walt Brainerd's fc001.f95 INQUIRE says only units 5, 6 exist, but open(11... works. This is wrong. Units 5 and 6 are preconnected, which means that they are open, but all units that can be used should exist.
-- Summary: INQUIRE incorrectly reports the existence of UNITS Product: gcc Version: 4.0.0 Status: UNCONFIRMED Severity: normal Priority: P2 Component: fortran AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: kargl at gcc dot gnu dot org CC: gcc-bugs at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20660