Is anybody else getting this bootstrap failure on mainline?
stage1/xgcc -Bstage1/ -B/home/cygnus/dnovillo/perf/sbox/gcc/local.i686/inst.toribio/i686-pc-linux-gnu/bin/ -c -g -O2 -DIN_GCC -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -pedantic -Wno-long-long -Wold-style-definition -Werror -DHAVE_CONFIG_H -I. -I. -I/home/cygnus/dnovillo/perf/sbox/gcc/local.i686/src/gcc -I/home/cygnus/dnovillo/perf/sbox/gcc/local.i686/src/gcc/. -I/home/cygnus/dnovillo/perf/sbox/gcc/local.i686/src/gcc/../include /home/cygnus/dnovillo/perf/sbox/gcc/local.i686/src/gcc/alias.c -o alias.o
stage1/xgcc -Bstage1/ -B/home/cygnus/dnovillo/perf/sbox/gcc/local.i686/inst.toribio/i686-pc-linux-gnu/bin/ -c -g -O2 -DIN_GCC -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -pedantic -Wno-long-long -Wold-style-definition -Werror -DHAVE_CONFIG_H -I. -I. -I/home/cygnus/dnovillo/perf/sbox/gcc/local.i686/src/gcc -I/home/cygnus/dnovillo/perf/sbox/gcc/local.i686/src/gcc/. -I/home/cygnus/dnovillo/perf/sbox/gcc/local.i686/src/gcc/../include /home/cygnus/dnovillo/perf/sbox/gcc/local.i686/src/gcc/bb-reorder.c -o bb-reorder.o
In file included from /home/cygnus/dnovillo/perf/sbox/gcc/local.i686/src/gcc/bb-reorder.c:78:
/home/cygnus/dnovillo/perf/sbox/gcc/local.i686/src/gcc/../include/fibheap.h:63: warning: type of bit-field `degree' is a GCC extension
/home/cygnus/dnovillo/perf/sbox/gcc/local.i686/src/gcc/../include/fibheap.h:64: warning: type of bit-field `mark' is a GCC extension
make[2]: *** [bb-reorder.o] Error 1
make[2]: Leaving directory `/notnfs/dnovillo/sbox/gcc/bld.toribio/gcc'
make[1]: *** [stage2_build] Error 2
make[1]: Leaving directory `/notnfs/dnovillo/sbox/gcc/bld.toribio/gcc'
make: *** [bootstrap] Error 2