https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107681
Bug ID: 107681
Summary: [13 Regression] ICE in gfc_type_is_extensible, at
fortran/resolve.cc:9018
Product: gcc
Version: 13.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
Assignee: unassigned at gcc dot gnu.org
Reporter: [email protected]
Target Milestone: ---
Started between 20220717 and 20220724 :
(gcc configured with --enable-checking=yes)
$ cat z1.f90
program p
type t
integer, allocatable :: a
end type
class(t) :: x[*]
associate (y => x)
end associate
end
$ cat z2.f90
program p
type t
integer, allocatable :: a
end type
class(t) :: x[:]
associate (y => x)
end associate
end
$ gfortran-12 -c z1.f90 -fcoarray=lib
z1.f90:5:19:
5 | class(t) :: x[*]
| 1
Error: CLASS variable 'x' at (1) must be dummy, allocatable or pointer
$ gfortran-13-20221106 -c z1.f90 -fcoarray=lib
z1.f90:5:19:
5 | class(t) :: x[*]
| 1
Error: CLASS variable 'x' at (1) must be dummy, allocatable or pointer
z1.f90:6:20:
6 | associate (y => x)
| 1
Error: Invalid array reference of a non-array entity at (1)
f951: internal compiler error: Segmentation fault
0xf4697f crash_signal
../../gcc/toplev.cc:314
0x6b337f gfc_type_is_extensible(gfc_symbol*)
../../gcc/fortran/resolve.cc:9018
0x6b337f resolve_fl_var_and_proc
../../gcc/fortran/resolve.cc:12970
0x87c32d resolve_fl_variable
../../gcc/fortran/resolve.cc:13089
0x87c32d resolve_symbol
../../gcc/fortran/resolve.cc:16183
0x89ad62 do_traverse_symtree
../../gcc/fortran/symbol.cc:4180
0x87efd4 resolve_types
../../gcc/fortran/resolve.cc:17542
0x87a43c gfc_resolve(gfc_namespace*)
../../gcc/fortran/resolve.cc:17657
0x87840c gfc_resolve(gfc_namespace*)
../../gcc/fortran/resolve.cc:17644
0x87840c resolve_block_construct
../../gcc/fortran/resolve.cc:10825
0x87840c gfc_resolve_code(gfc_code*, gfc_namespace*)
../../gcc/fortran/resolve.cc:12258
0x87a387 resolve_codes
../../gcc/fortran/resolve.cc:17624
0x87a44e gfc_resolve(gfc_namespace*)
../../gcc/fortran/resolve.cc:17659
0x862214 resolve_all_program_units
../../gcc/fortran/parse.cc:6631
0x862214 gfc_parse_file()
../../gcc/fortran/parse.cc:6887
0x8b0c8f gfc_be_parse_file
../../gcc/fortran/f95-lang.cc:229
