[Bug fortran/70244] [OOP] ICE in spec_dimen_size(): Bad dimension
janus at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Mon Dec 5 15:33:00 GMT 2016
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70244
janus at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|[OOP] ICE spec_dimen_size() |[OOP] ICE in
|Bad dimension |spec_dimen_size(): Bad
| |dimension
--- Comment #2 from janus at gcc dot gnu.org ---
Slightly reduced test case:
module mymodule
implicit none
type :: deriv_t
contains
procedure :: fun
end type
type :: base_a
class(deriv_t), allocatable :: obj
end type
contains
function fun( self ) result( val )
class(deriv_t), intent(in) :: self
real, dimension(:,:), allocatable :: val
end function
end module
program bug
use mymodule
implicit none
type(base_a), dimension(1) :: e
real, dimension(:,:), allocatable :: m
allocate( deriv_t :: e(1)%obj )
m = e(1)%obj%fun()
end
Backtrace with current trunk:
f951: internal compiler error: spec_dimen_size(): Bad dimension
0x7de01e gfc_internal_error(char const*, ...)
/home/jweil/gcc/gcc7/trunk/gcc/fortran/error.c:1328
0x7a3453 spec_dimen_size(gfc_array_spec*, int, __mpz_struct (*) [1])
/home/jweil/gcc/gcc7/trunk/gcc/fortran/array.c:2148
0x7a3ea8 gfc_array_dimen_size(gfc_expr*, int, __mpz_struct (*) [1])
/home/jweil/gcc/gcc7/trunk/gcc/fortran/array.c:2423
0x7e4a5d gfc_check_conformance(gfc_expr*, gfc_expr*, char const*, ...)
/home/jweil/gcc/gcc7/trunk/gcc/fortran/expr.c:3103
0x7e4fe5 gfc_check_assign(gfc_expr*, gfc_expr*, int, bool)
/home/jweil/gcc/gcc7/trunk/gcc/fortran/expr.c:3244
0x87dae6 resolve_ordinary_assign
/home/jweil/gcc/gcc7/trunk/gcc/fortran/resolve.c:10101
0x87f97b gfc_resolve_code(gfc_code*, gfc_namespace*)
/home/jweil/gcc/gcc7/trunk/gcc/fortran/resolve.c:10919
0x88ca24 resolve_codes
/home/jweil/gcc/gcc7/trunk/gcc/fortran/resolve.c:16028
0x88cb71 gfc_resolve(gfc_namespace*)
/home/jweil/gcc/gcc7/trunk/gcc/fortran/resolve.c:16063
0x85d493 resolve_all_program_units
/home/jweil/gcc/gcc7/trunk/gcc/fortran/parse.c:5977
0x85dcaf gfc_parse_file()
/home/jweil/gcc/gcc7/trunk/gcc/fortran/parse.c:6224
0x8b6fea gfc_be_parse_file
/home/jweil/gcc/gcc7/trunk/gcc/fortran/f95-lang.c:202
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