using GNU Fortran 95 (GCC) 4.1.0 20051126 (prerelease) with '-g -pedantic -std=f95', I get a bad / no diagnostic for the following invalid code:
MODULE M1 TYPE T1 INTEGER :: I END TYPE T1 INTERFACE I MODULE PROCEDURE F1 END INTERFACE PRIVATE :: T1,F1 PUBLIC :: I CONTAINS INTEGER FUNCTION F1(D) TYPE(T1) :: D END FUNCTION END MODULE USE M1 END -- Summary: better diagnostic needed Product: gcc Version: 4.1.0 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=25094