http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55854
--- Comment #4 from Damian Rouson <damian at rouson dot net> 2013-01-03 18:11:56 UTC --- Apparently an ICE also occurs if the argument intent is removed but "type" is replaced by "class." See below. Is this fixed by the patch in comment 3? Damian $ cat ice_on_class_dummy_with_unlimited.f90 implicit none type foo class(*), allocatable :: bar end type contains integer function foobar(this) class(foo) :: this end function end $ gfortran ice_on_class_dummy_with_unlimited.f90 ice_on_class_dummy_with_unlimited.f90: In function 'MAIN__': ice_on_class_dummy_with_unlimited.f90:8:0: internal compiler error: Segmentation fault: 11 end function ^ ice_on_class_dummy_with_unlimited.f90:8:0: internal compiler error: Abort trap: 6 gfortran: internal compiler error: Abort trap: 6 (program f951) Abort trap: 6 $ gfortran --version GNU Fortran (MacPorts gcc48 4.8-20121223_0) 4.8.0 20121223 (experimental)