[Bug fortran/101348] New: ICE in gfc_get_nodesc_array_type, at fortran/trans-types.c:1697

[gscfq--- via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101348

            Bug ID: 101348
           Summary: ICE in gfc_get_nodesc_array_type, at
                    fortran/trans-types.c:1697
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gs...@t-online.de
  Target Milestone: ---

Affects versions down to at least r5 :


$ cat z1.f90
module m
   integer :: a(1)[1:,:]
end


$ cat z2.f90
program p
   integer :: a(1)[1:,:]
end


$ gfortran-12-20210704 -c z2.f90 -fcoarray=lib   # accepted
$
$ gfortran-12-20210704 -c z1.f90 -fcoarray=lib
f951: internal compiler error: Segmentation fault
0xc93c2f crash_signal
        ../../gcc/toplev.c:328
0x82bedc gfc_get_nodesc_array_type(tree_node*, gfc_array_spec*, gfc_packed,
bool)
        ../../gcc/fortran/trans-types.c:1697
0x7cf376 gfc_get_symbol_decl(gfc_symbol*)
        ../../gcc/fortran/trans-decl.c:1797
0x7d25c8 gfc_create_module_variable
        ../../gcc/fortran/trans-decl.c:5359
0x790e12 do_traverse_symtree
        ../../gcc/fortran/symbol.c:4170
0x7d2dcb gfc_generate_module_vars(gfc_namespace*)
        ../../gcc/fortran/trans-decl.c:5858
0x7ad0d4 gfc_generate_module_code(gfc_namespace*)
        ../../gcc/fortran/trans.c:2303
0x759421 translate_all_program_units
        ../../gcc/fortran/parse.c:6451
0x759421 gfc_parse_file()
        ../../gcc/fortran/parse.c:6733
0x7a5c4f gfc_be_parse_file
        ../../gcc/fortran/f95-lang.c:216