Found at http://groups.google.com/group/comp.lang.fortran/browse_thread/thread/70dd268bac2af9c9
The following program should be rejected as NAG f95, Error: line 4: Subroutine FOO is not RECURSIVE , and ifort, error #6437: A subroutine or function is calling itself recursively. [FOO] , do. subroutine foo(x) real, intent(in) :: x call bar(x,foo) return end subroutine foo -- Summary: Missing RECURSIVE not detected Product: gcc Version: 4.4.0 Status: UNCONFIRMED Keywords: accepts-invalid Severity: normal Priority: P3 Component: fortran AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: burnus at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37779