The following is non-standard and the compiler should probably generate a warning/error with '-pedantic -std=f95', but does not do so with gcc version 4.3.0 20080103 (experimental) [trunk revision 131300] (GCC)
MODULE M1 IMPLICIT NONE CONTAINS PURE ELEMENTAL SUBROUTINE S1(I,F) INTEGER, INTENT(IN) :: I INTERFACE PURE INTEGER FUNCTION F(I) INTEGER, INTENT(IN) :: I END FUNCTION F END INTERFACE END SUBROUTINE S1 END MODULE M1 USE M1 END -- Summary: elemental and dummy procedure Product: gcc Version: 4.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: jv244 at cam dot ac dot uk http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34660