[Bug fortran/95374] New: ICE: gfc_array_size failed

[gscfq@t-online.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95374

            Bug ID: 95374
           Summary: ICE: gfc_array_size failed
           Product: gcc
           Version: 11.0
            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 at least r5, z2.f90 works :


$ cat z1.f90
program p
   integer :: i
   integer, parameter :: a(0) = 0
   integer, parameter :: b(*) = [(a(i:i), i=0,0)]
end


$ cat z2.f90
program p
   integer :: i
   integer, parameter :: a(0) = 0
   integer, parameter :: b(0) = [(a(i:i), i=0,0)]
end


$ gfortran-11-20200524 -c z1.f90
f951: internal compiler error: gfc_array_size failed
0x6519b9 gfc_report_diagnostic
        ../../gcc/fortran/error.c:782
0x6530da gfc_internal_error(char const*, ...)
        ../../gcc/fortran/error.c:1402
0x63b57d add_init_expr_to_sym
        ../../gcc/fortran/decl.c:2039
0x64503a variable_decl
        ../../gcc/fortran/decl.c:2990
0x64503a gfc_match_data_decl()
        ../../gcc/fortran/decl.c:6190
0x6a83d3 match_word
        ../../gcc/fortran/parse.c:65
0x6a83d3 decode_statement
        ../../gcc/fortran/parse.c:376
0x6a9e1a next_free
        ../../gcc/fortran/parse.c:1279
0x6a9e1a next_statement
        ../../gcc/fortran/parse.c:1511
0x6ab46b parse_spec
        ../../gcc/fortran/parse.c:3922
0x6ae23c parse_progunit
        ../../gcc/fortran/parse.c:5851
0x6af919 gfc_parse_file()
        ../../gcc/fortran/parse.c:6392
0x6fb9af gfc_be_parse_file
        ../../gcc/fortran/f95-lang.c:210