With a recent gfortran, the following compiles, but generates the wrong results:
integer*8 :: k=2_8**36+10 integer*4 :: j=10 logical ex,op INQUIRE(unit=k, exist=ex,opened=op) IF (ex) THEN OPEN(unit=k) INQUIRE(unit=j, opened=op) IF (op) CALL ABORT() ENDIF end -- Summary: wrong code generated with gfortran 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=31201