A program with an empty CONTAINS block is illegal, but gfortran accepts it:
PROGRAM test197 CONTAINS END PROGRAM test197 -- Summary: A program with an empty CONTAINS block is illegal, but gfortran accepts it Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: michael dot a dot richmond at nasa dot gov http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31470