https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95881
Bug ID: 95881
Summary: [9/10/11 Regression] ICE in resolve_symbol, at
fortran/resolve.c:15175
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
Assignee: unassigned at gcc dot gnu.org
Reporter: gs...@t-online.de
Target Milestone: ---
Affects versions down to r7, with a missing attribute :
$ cat z1.f90
program p
type t
real, allocatable :: a[:]
end type
class(t) :: x
allocate (x%a[*])
end
$ cat z2.f90
subroutine s(x)
type t
real, allocatable :: a[:]
end type
block
class(t) :: x
allocate (x%a[*])
end block
end
$ gfortran-6 -c z1.f90 -fcoarray=lib
z1.f90:5:16:
class(t) :: x
1
Error: CLASS variable 'x' at (1) must be dummy, allocatable or pointer
$ gfortran-11-20200621 -c z1.f90 -fcoarray=single
z1.f90:5:16:
5 | class(t) :: x
| 1
Error: CLASS variable 'x' at (1) must be dummy, allocatable or pointer
$ gfortran-11-20200621 -c z1.f90 -fcoarray=lib
f951: internal compiler error: Segmentation fault
0xbce57f crash_signal
../../gcc/toplev.c:328
0x6cda25 resolve_symbol
../../gcc/fortran/resolve.c:15175
0x6ebde2 do_traverse_symtree
../../gcc/fortran/symbol.c:4162
0x6d1094 resolve_types
../../gcc/fortran/resolve.c:17175
0x6cc7ac gfc_resolve(gfc_namespace*)
../../gcc/fortran/resolve.c:17290
0x6b48ec resolve_all_program_units
../../gcc/fortran/parse.c:6246
0x6b48ec gfc_parse_file()
../../gcc/fortran/parse.c:6493
0x70098f gfc_be_parse_file
../../gcc/fortran/f95-lang.c:212
