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Subject: [Bug fortran/106050] New: ICE in reject_statement, at
 fortran/parse.cc:2879
Date: Tue, 21 Jun 2022 18:53:23 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D106050

            Bug ID: 106050
           Summary: ICE in reject_statement, at fortran/parse.cc:2879
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gscfq@t-online.de
  Target Milestone: ---

Affects versions down to r8 :
(out of order statement)


$ cat z1.f90
program p
   stop
   type t(k)
      integer, kind :: k =3D 4
   end type
end

$ cat z2.f90
program p
   continue
   type t(k)
      integer, kind :: k =3D 4
   end type
end

$ cat z3.f90
program p
   a =3D 1
   type t(k)
      integer, kind :: k =3D 4
   end type
end

$ cat z4.f90
program p
   print *
   type t(k)
      integer, kind :: k =3D 4
   end type
end


$ gfortran-13-20220619 -c z1.f90
z1.f90:3:12:

    3 |    type t(k)
      |            1
Error: Unexpected derived type declaration statement at (1)
f951: internal compiler error: Segmentation fault
0xe845df crash_signal
        ../../gcc/toplev.cc:322
0x70b53a delete_root
        ../../gcc/fortran/bbt.cc:150
0x70b6fe gfc_delete_bbt(void*, void*, int (*)(void*, void*))
        ../../gcc/fortran/bbt.cc:197
0x7deca8 gfc_delete_symtree(gfc_symtree**, char const*)
        ../../gcc/fortran/symbol.cc:2963
0x7e053d gfc_restore_last_undo_checkpoint()
        ../../gcc/fortran/symbol.cc:3708
0x7950f7 reject_statement
        ../../gcc/fortran/parse.cc:2879
0x79f8aa parse_progunit
        ../../gcc/fortran/parse.cc:6257
0x7a0ea1 gfc_parse_file()
        ../../gcc/fortran/parse.cc:6755
0x7ef83f gfc_be_parse_file
        ../../gcc/fortran/f95-lang.cc:229=