GNAT 2.04 compilation problem under Linux

[smcneil@netcom.com (Sean McNeil)]

Hello,
I was wondering if anyone can help me.  I get the following error
when I attempt to compile the rts lib for GNAT V 2.04:

+===========================GNAT BUG DETECTED==============================+
| Error detected at "s-arit64.adb", line 178:13                            |
| Please submit bug report by email to gnat-report@cs.nyu.edu              |
| Use a subject line meaningful to you and us to track the bug             |
| Include full sources in ASCII in a format compatible with gnatchop       |
| First line of sources must be marked by an Ada -- comment line           |
| Last line of sources must be last line of email message (no signature!)  |
| See gnatinfo.txt file for more info on procedure for submitting bugs     |
| GNAT V2.04 (i486-linux) Gigi abort, Code=999                             |
+==========================================================================+
compilation abandoned

gdb says:

(xxgdb) where
#0  0x1c8e93 in output_operand_lossage ()
#1  0x1c98fa in output_addr_const ()
#2  0x1f4e67 in print_operand ()
#3  0x1c950d in output_operand ()
#4  0x1c92ee in output_asm_insn ()
#5  0x1dc1ef in output_127 ()
#6  0x1c89e4 in final_scan_insn ()
#7  0x1c7dd9 in final ()
#8  0x122eb3 in rest_of_compilation ()
#9  0x7dc8 in end_subprog_body ()
#10 0xdc89 in tree_transform ()
#11 0xa999 in gnat_to_code ()
#12 0xf2e6 in process_decls ()
#13 0xe5c5 in tree_transform ()
#14 0xa999 in gnat_to_code ()
#15 0xa976 in gigi ()
#16 0x11eb03 in _ada_back_end ()
#17 0x11f179 in _ada_gnat1drv ()
#18 0x609b in yyparse ()
#19 0x121a5f in compile_file ()
#20 0x123f87 in main ()

Any ideas as to what might be wrong?

Sean McNeil