http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60378
Bug ID: 60378
Summary: ICE on attempt to print null of derived type with
unlimited polymorphic component
Product: gcc
Version: 4.8.3
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
Assignee: unassigned at gcc dot gnu.org
Reporter: vladimir.fuka at gmail dot com
type refptr
class(*), allocatable :: data
end type
type(refptr),pointer :: x
print *,null(mold=x)
end
gfortran null.f90
null.f90: In function ‘MAIN__’:
null.f90:7:0: internal compiler error: Bad IO basetype (7)
print *,null(mold=x)
^
0x5e456b transfer_expr
../../gcc-4.8-20131003/gcc/fortran/trans-io.c:2185
0x5e4422 transfer_expr
../../gcc-4.8-20131003/gcc/fortran/trans-io.c:2179
0x5e76e5 gfc_trans_transfer(gfc_code*)
../../gcc-4.8-20131003/gcc/fortran/trans-io.c:2312
0x5a7177 trans_code
../../gcc-4.8-20131003/gcc/fortran/trans.c:1625
0x5e55d7 build_dt
../../gcc-4.8-20131003/gcc/fortran/trans-io.c:1835
0x5a7197 trans_code
../../gcc-4.8-20131003/gcc/fortran/trans.c:1597
0x5c4812 gfc_generate_function_code(gfc_namespace*)
../../gcc-4.8-20131003/gcc/fortran/trans-decl.c:5397
0x568490 translate_all_program_units
../../gcc-4.8-20131003/gcc/fortran/parse.c:4474
0x568490 gfc_parse_file()
../../gcc-4.8-20131003/gcc/fortran/parse.c:4688
0x5a3845 gfc_be_parse_file
../../gcc-4.8-20131003/gcc/fortran/f95-lang.c:189
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
