https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103475
Bug ID: 103475
Summary: ICE in gfc_expr_attr, at fortran/primary.c:2782
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
Assignee: unassigned at gcc dot gnu.org
Reporter: [email protected]
Target Milestone: ---
With option -Wall and a missing attribute allocatable or pointer :
(affects version down to at least r5)
(gcc configured with --enable-checking=yes)
$ cat z1.f90
program p
type t
end type
class(t) :: x
y = x()
end
$ gfortran-12-20211128 -c z1.f90 -Wall
z1.f90:4:16:
4 | class(t) :: x
| 1
Error: CLASS variable 'x' at (1) must be dummy, allocatable or pointer
f951: internal compiler error: Segmentation fault
0xf0942f crash_signal
../../gcc/toplev.c:322
0x842464 gfc_expr_attr(gfc_expr*)
../../gcc/fortran/primary.c:2782
0x7e02eb gfc_check_assign(gfc_expr*, gfc_expr*, int, bool)
../../gcc/fortran/expr.c:3734
0x84a6d5 resolve_ordinary_assign
../../gcc/fortran/resolve.c:11188
0x852a3c gfc_resolve_code(gfc_code*, gfc_namespace*)
../../gcc/fortran/resolve.c:12047
0x854f97 resolve_codes
../../gcc/fortran/resolve.c:17536
0x85505e gfc_resolve(gfc_namespace*)
../../gcc/fortran/resolve.c:17571
0x83d314 resolve_all_program_units
../../gcc/fortran/parse.c:6573
0x83d314 gfc_parse_file()
../../gcc/fortran/parse.c:6829
0x88b37f gfc_be_parse_file
../../gcc/fortran/f95-lang.c:216