$ cat foo.f90 character(len=2.3) :: s print *, len(s) end $ gfortran foo.f90 foo.f90:1.16:
character(len=2.3) :: s 1 Error: Expression at (1) must be of INTEGER type foo.f90:1.16: character(len=2.3) :: s 1 Error: Expression at (1) must be of INTEGER type foo.f90:0: internal compiler error: Segmentation fault -- Summary: Non-integer character length leads to segfault Product: gcc Version: 4.3.0 Status: UNCONFIRMED Keywords: ice-on-invalid-code Severity: normal Priority: P3 Component: fortran AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: fxcoudert at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31251