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mainline bootstrap broken on i686-pc-linux-gnu


Hi,

current mainline configured with the following command
$SRCDIR/configure --quiet --prefix=$DESTDIR --enable-languages=c++,fortran --with-gmp=/afs/mpa/data/martin/mygmp

aborts during bootstrap at this place:

/scratch/ogcc/./gcc/xgcc -B/scratch/ogcc/./gcc/ -B/afs/mpa/data/martin/ugcc/i686-pc-linux-gnu/bin/ -B/afs/mpa/data/martin/ugcc/i686-pc-linux-gnu/lib/ -isystem /afs/mpa/data/martin/ugcc/i686-pc-linux-gnu/include -isystem /afs/mpa/data/martin/ugcc/i686-pc-linux-gnu/sys-include -DHAVE_CONFIG_H -I. -I/scratch/gcc/libmudflap -I. -Wall -ffunction-sections -fdata-sections -O2 -g -O2 -MT mf-runtime.lo -MD -MP -MF .deps/mf-runtime.Tpo -c /scratch/gcc/libmudflap/mf-runtime.c  -fPIC -DPIC -o .libs/mf-runtime.o
/scratch/gcc/libmudflap/mf-runtime.c: In function '__mf_usage':
/scratch/gcc/libmudflap/mf-runtime.c:478: warning: value computed is not used
/scratch/gcc/libmudflap/mf-runtime.c: In function '__mfu_check':
/scratch/gcc/libmudflap/mf-runtime.c:1032: error: unrecognizable insn:
(insn 1385 1384 1386 31 /scratch/gcc/libmudflap/mf-runtime.c:1457 (set (mem:HI (pre_dec:SI (reg/f:SI 7 sp)) [0 S2 A8])
        (reg:HI 0 ax [orig:182 __mf_lc_shift ] [182])) -1 (nil)
    (nil))
/scratch/gcc/libmudflap/mf-runtime.c:1032: internal compiler error: in extract_insn, at recog.c:2084
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
make[5]: *** [mf-runtime.lo] Error 1
make[5]: Leaving directory `/scratch/ogcc/i686-pc-linux-gnu/libmudflap'
make[4]: *** [all-recursive] Error 1
make[4]: Leaving directory `/scratch/ogcc/i686-pc-linux-gnu/libmudflap'
make[3]: *** [all] Error 2
make[3]: Leaving directory `/scratch/ogcc/i686-pc-linux-gnu/libmudflap'
make[2]: *** [all-target-libmudflap] Error 2
make[2]: Leaving directory `/scratch/ogcc'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/scratch/ogcc'
make: *** [bootstrap] Error 2

Cheers,
  Martin


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