https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107426
Bug ID: 107426
Summary: [12/13 Regression] ICE in gfc_compare_derived_types,
at fortran/interface.cc:636
Product: gcc
Version: 13.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
Assignee: unassigned at gcc dot gnu.org
Reporter: gs...@t-online.de
Target Milestone: ---
Started between 20210905 and 20210919 :
$ cat z1.f90
module m
contains
subroutine p() bind(c)
use, intrinsic :: iso_c_binding
integer, target :: a = 1
type(c_ptr) :: z
interface
subroutine s(x) bind(cc) !!
use, intrinsic :: iso_c_binding
integer(c_int), value :: x
end
end interface
z = c_loc(a)
call s(z)
end
end
$ gfortran-13-20221023 -c z0.f90 # corrected cc -> c at marker !!
z0.f90:14:15:
14 | call s(z)
| 1
Error: Type mismatch in argument 'x' at (1); passed TYPE(c_ptr) to INTEGER(4)
$ gfortran-13-20221023 -c z1.f90
z1.f90:8:32:
8 | subroutine s(x) bind(cc) !!
| 1
Error: Missing closing paren for binding label at (1)
z1.f90:9:43:
9 | use, intrinsic :: iso_c_binding
| 1
Error: Unexpected USE statement in INTERFACE block at (1)
z1.f90:10:38:
10 | integer(c_int), value :: x
| 1
Error: Unexpected data declaration statement in INTERFACE block at (1)
z1.f90:11:12:
11 | end
| 1
Error: END INTERFACE statement expected at (1)
f951: internal compiler error: Segmentation fault
0xf43b3f crash_signal
../../gcc/toplev.cc:314
0x806bce gfc_compare_derived_types(gfc_symbol*, gfc_symbol*)
../../gcc/fortran/interface.cc:636
0x800803 gfc_check_assign(gfc_expr*, gfc_expr*, int, bool)
../../gcc/fortran/expr.cc:3830
0x86d655 resolve_ordinary_assign
../../gcc/fortran/resolve.cc:11222
0x87628b gfc_resolve_code(gfc_code*, gfc_namespace*)
../../gcc/fortran/resolve.cc:12123
0x878307 resolve_codes
../../gcc/fortran/resolve.cc:17624
0x87823e resolve_codes
../../gcc/fortran/resolve.cc:17607
0x8783ce gfc_resolve(gfc_namespace*)
../../gcc/fortran/resolve.cc:17659
0x85ff92 gfc_parse_file()
../../gcc/fortran/parse.cc:6837
0x8aec0f gfc_be_parse_file
../../gcc/fortran/f95-lang.cc:229
