[Bug fortran/87994] New: ICE in match_data_constant, at fortran/decl.c:399

[gscfq@t-online.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87994

            Bug ID: 87994
           Summary: ICE in match_data_constant, at fortran/decl.c:399
           Product: gcc
           Version: 9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gscfq@t-online.de
  Target Milestone: ---

Should be valid code, thematically related to pr87993.


$ cat z1.f90
program p
   real :: a, b
   data b /a%kind/
end


$ gfortran-9-20181111 -c z1.f90
f951: internal compiler error: Segmentation fault
0xb297bf crash_signal
        ../../gcc/toplev.c:325
0x604ded match_data_constant
        ../../gcc/fortran/decl.c:399
0x604f83 top_val_list
        ../../gcc/fortran/decl.c:472
0x60519f gfc_match_data()
        ../../gcc/fortran/decl.c:616
0x66a7f1 match_word
        ../../gcc/fortran/parse.c:65
0x66df36 decode_statement
        ../../gcc/fortran/parse.c:468
0x66eb5a next_free
        ../../gcc/fortran/parse.c:1234
0x66eb5a next_statement
        ../../gcc/fortran/parse.c:1466
0x67016b parse_spec
        ../../gcc/fortran/parse.c:3858
0x672c37 parse_progunit
        ../../gcc/fortran/parse.c:5671
0x6742b9 gfc_parse_file()
        ../../gcc/fortran/parse.c:6211
0x6bc89f gfc_be_parse_file
        ../../gcc/fortran/f95-lang.c:204