[Bug fortran/88326] New: ICE in gfc_conv_array_initializer, at fortran/trans-array.c:6085

[gscfq@t-online.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88326

            Bug ID: 88326
           Summary: ICE in gfc_conv_array_initializer, at
                    fortran/trans-array.c:6085
           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: ---

Affects versions down to at least gcc-5 :


$ cat z1.f90
program p
   character, parameter :: x(3) = ['a','b','c']
   character :: y(1) = transfer('', x)
   print *, y
end


$ cat z2.f90
program p
   character, parameter :: x(3) = ['a','b','c']
   character(0) :: y(1) = transfer('', x)
   print *, y
end


$ cat z3.f90
program p
   character, parameter :: x(3) = ['a','b','c']
   character :: y(0) = transfer('', x)
   print *, y
end


$ gfortran-9-20181202 -c z1.f90
z1.f90:1:0:

    1 | program p
      |
internal compiler error: in gfc_conv_array_initializer, at
fortran/trans-array.c:6085
0x6fbbba gfc_conv_array_initializer(tree_node*, gfc_expr*)
        ../../gcc/fortran/trans-array.c:6085
0x737200 gfc_conv_initializer(gfc_expr*, gfc_typespec*, tree_node*, bool, bool,
bool)
        ../../gcc/fortran/trans-expr.c:7033
0x71ace2 gfc_get_symbol_decl(gfc_symbol*)
        ../../gcc/fortran/trans-decl.c:1824
0x71e517 generate_local_decl
        ../../gcc/fortran/trans-decl.c:5600
0x6d37e2 do_traverse_symtree
        ../../gcc/fortran/symbol.c:4151
0x71fa6c generate_local_vars
        ../../gcc/fortran/trans-decl.c:5800
0x71fa6c gfc_generate_function_code(gfc_namespace*)
        ../../gcc/fortran/trans-decl.c:6444
0x69d446 translate_all_program_units
        ../../gcc/fortran/parse.c:6128
0x69d446 gfc_parse_file()
        ../../gcc/fortran/parse.c:6331
0x6e6a9f gfc_be_parse_file
        ../../gcc/fortran/f95-lang.c:204