https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102332
Bug ID: 102332
Summary: ICE in select_type_set_tmp, at fortran/match.c:6366
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
Assignee: unassigned at gcc dot gnu.org
Reporter: gs...@t-online.de
Target Milestone: ---
With a missing attribute allocatable or pointer :
(down to at least r5)
$ cat z1.f90
program p
type t
real :: a, b
end type
class(t) :: x
select type (y => x)
type is (t)
y%a = 0
end select
end
$ cat z2.f90
program p
type t
real :: a, b
end type
class(t), allocatable :: x
select type (y => x)
type is (t)
y%a = 0
end select
end
$ gfortran-12-20210905 -c z2.f90 # ok
$
$ gfortran-12-20210905 -c z1.f90
f951: internal compiler error: Segmentation fault
0xd09e4f crash_signal
../../gcc/toplev.c:328
0x78fa67 select_type_set_tmp
../../gcc/fortran/match.c:6366
0x798bfc gfc_match_type_is()
../../gcc/fortran/match.c:6901
0x7b6e01 match_word
../../gcc/fortran/parse.c:65
0x7bc444 decode_statement
../../gcc/fortran/parse.c:572
0x7bcada next_free
../../gcc/fortran/parse.c:1384
0x7bcada next_statement
../../gcc/fortran/parse.c:1616
0x7bfe31 parse_select_type_block
../../gcc/fortran/parse.c:4526
0x7bfe31 parse_executable
../../gcc/fortran/parse.c:5737
0x7c108f parse_progunit
../../gcc/fortran/parse.c:6140
0x7c2771 gfc_parse_file()
../../gcc/fortran/parse.c:6655
0x80f57f gfc_be_parse_file
../../gcc/fortran/f95-lang.c:216
