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GCC 3.4 branch bootstrap failure on x86-64/Linux

Bootstrapping current GCC 3.4 CVS fails on x86_64-linux-gnu with:

stage1/xgcc -Bstage1/ -B/opt/gcc/3.4-devel/x86_64-suse-linux-gnu/bin/ -c -g -O2     -gnatpg -gnata -I- -I. -Iada -I/cvs/gcc-3_4-branch/gcc/ada /cvs/gcc-3_4-branch/gcc/ada/urealp.adb -o ada/urealp.o
/cvs/gcc-3_4-branch/gcc/ada/urealp.adb: In function `Urealp.Equivalent_Decimal_Exponent':
/cvs/gcc-3_4-branch/gcc/ada/urealp.adb:253: error: could not split insn
(insn:TI 80 87 88 /cvs/gcc-3_4-branch/gcc/ada/urealp.adb:253 (parallel [
            (set (reg:DF 0 ax [79])
                (if_then_else:DF (ungt (mem/u/f:DF (symbol_ref/u:DI ("*.LC23") [flags 0x2]) [25 S8 A64])
                        (reg:DF 21 xmm0 [67]))
                    (reg:DF 0 ax [79])
                    (mem/u/f:DF (symbol_ref/u:DI ("*.LC25") [flags 0x2]) [25 S8A64])))
            (clobber (scratch:DF))
            (clobber (reg:CC 17 flags))
        ]) 661 {sse_movdfcc} (insn_list 43 (insn_list 87 (insn_list:REG_DEP_ANTI 35 (nil))))
    (expr_list:REG_UNUSED (reg:CC 17 flags)
        (expr_list:REG_UNUSED (scratch:DF)
            (nil))))
+===========================GNAT BUG DETECTED==============================+
| 3.4.4 20041216 (prerelease) (x86_64-suse-linux-gnu) GCC error:           |
| in final_scan_insn, at final.c:2429                                      |
| Error detected at urealp.adb:253:58                                      |
| Please submit a bug report; see http://gcc.gnu.org/bugs.html.            |
| Include the entire contents of this bug box in the report.               |
| Include the exact gcc or gnatmake command that you entered.              |
| Also include sources listed below in gnatchop format                     |
| (concatenated together with no headers between files).                   |
+==========================================================================+

Andreas
-- 
 Andreas Jaeger, aj@suse.de, http://www.suse.de/~aj
  SUSE Linux Products GmbH, Maxfeldstr. 5, 90409 NÃrnberg, Germany
   GPG fingerprint = 93A3 365E CE47 B889 DF7F  FED1 389A 563C C272 A126

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