https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82586
--- Comment #1 from G. Steinmetz <gs...@t-online.de> ---
Other invalid snippets :
$ cat z2.f90
program p
type t(a
integer, kind :: a
real(a) :: x
end type
end
$ cat z3.f90
program p
type t(a, a)
integer, kind :: a
integer, len :: a
end type
end
$ gfortran-8-20171015 -c z2.f90
f951: internal compiler error: Segmentation fault
0xb5a08f crash_signal
../../gcc/toplev.c:326
0x66322b delete_root
../../gcc/fortran/bbt.c:150
0x6633fe gfc_delete_bbt(void*, void*, int (*)(void*, void*))
../../gcc/fortran/bbt.c:197
0x71b008 gfc_delete_symtree(gfc_symtree**, char const*)
../../gcc/fortran/symbol.c:2829
0x71c786 gfc_restore_last_undo_checkpoint()
../../gcc/fortran/symbol.c:3598
0x6db9d7 reject_statement
../../gcc/fortran/parse.c:2546
0x6dbaec match_word_omp_simd
../../gcc/fortran/parse.c:98
0x6dfadb match_word
../../gcc/fortran/parse.c:565
0x6dfadb decode_statement
../../gcc/fortran/parse.c:565
0x6e0fb4 next_free
../../gcc/fortran/parse.c:1225
0x6e0fb4 next_statement
../../gcc/fortran/parse.c:1457
0x6e2ddc parse_spec
../../gcc/fortran/parse.c:3648
0x6e4d93 parse_progunit
../../gcc/fortran/parse.c:5634
0x6e6354 gfc_parse_file()
../../gcc/fortran/parse.c:6174
0x72a6bf gfc_be_parse_file
../../gcc/fortran/f95-lang.c:204
