https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83866
Bug ID: 83866
Summary: [8 Regression] ICE in gfc_release_symbol, at
fortran/symbol.c:3087
Product: gcc
Version: 8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
Assignee: unassigned at gcc dot gnu.org
Reporter: [email protected]
Target Milestone: ---
With a missing comma :
$ cat z1.f90
program p
type t
class(t), pointer :: a
end type
type extends(t) :: t2
end type
end
$ gfortran-8-20180114 -c z1.f90
f951: internal compiler error: in gfc_release_symbol, at fortran/symbol.c:3087
0x736ceb gfc_release_symbol(gfc_symbol*)
../../gcc/fortran/symbol.c:3087
0x736e6e gfc_restore_last_undo_checkpoint()
../../gcc/fortran/symbol.c:3696
0x6f3db7 reject_statement
../../gcc/fortran/parse.c:2547
0x6f3ecc match_word_omp_simd
../../gcc/fortran/parse.c:98
0x6f7efb match_word
../../gcc/fortran/parse.c:565
0x6f7efb decode_statement
../../gcc/fortran/parse.c:565
0x6f93d4 next_free
../../gcc/fortran/parse.c:1226
0x6f93d4 next_statement
../../gcc/fortran/parse.c:1458
0x6facbc parse_spec
../../gcc/fortran/parse.c:3836
0x6fd173 parse_progunit
../../gcc/fortran/parse.c:5649
0x6fe754 gfc_parse_file()
../../gcc/fortran/parse.c:6189
0x744e5f gfc_be_parse_file
../../gcc/fortran/f95-lang.c:204
Using version 7 or older :
$ gfortran-7 -c z1.f90
z1.f90:5:3:
type extends(t) :: t2
1
Error: Unclassifiable statement at (1)
z1.f90:6:6:
end type
1
Error: Expecting END PROGRAM statement at (1)