[Bug c/20161] New: ICE with dwarf for incomplete element type argument

["sxanth at ceid dot upatras dot gr" <gcc-bugzilla at gcc dot gnu dot org>]

First of all the typescript:
##############################################
stan@vaxatron:~/wtmp> cat gb.c

struct XX;
typedef void *(*F) (struct XX []);

stan@vaxatron:~/wtmp> CVSgcc gb.c -Wall -g
gb.c:3: error: array type has incomplete element type
gb.c:3: internal compiler error: in gen_formal_parameter_die, at dwarf2out.c:11062
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
stan@vaxatron:~/wtmp> CVSgcc -v
Using built-in specs.
Target: i686-pc-linux-gnu
Configured with: ../configure --prefix=/home/stan/GCC/gcc-4.0-20050220/bin
--program-prefix=CVS : (reconfigured) ../configure
--prefix=/home/stan/GCC/gcc-4.0-20050220/bin --program-prefix=CVS
Thread model: posix
gcc version 4.0.0 20050220 (experimental)
######################################################

Except from the internal compiler error, is it a bug that
gcc considers the incomplete type an error?
If yes, then this is even more critical.

In 3.4 and 3.2 the above code was Ok.

-- 
           Summary: ICE with dwarf for incomplete element type argument
           Product: gcc
           Version: 4.0.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: sxanth at ceid dot upatras dot gr
                CC: gcc-bugs at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20161