Cannot bootstrap current gcc 3.1 compiler (i686-pc-linux-gnu)

[Peter Schmid]

The bootstrap of the current gcc compiler on the mainline stops with
an ice in read-rtl.c
Please fix this problem.

Peter Schmid
stage1/xgcc -Bstage1/ -B/usr/local/i686-pc-linux-gnu/bin/ -c  -DIN_GCC    -g -O2 -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wtraditional -pedantic -Wno-long-long  -DHAVE_CONFIG_H -DGENERATOR_FILE    -I. -I. -I../../gcc/gcc -I../../gcc/gcc/. -I../../gcc/gcc/config -I../../gcc/gcc/../include ../../gcc/gcc/rtl.c -o rtl.o
stage1/xgcc -Bstage1/ -B/usr/local/i686-pc-linux-gnu/bin/ -c  -DIN_GCC    -g -O2 -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wtraditional -pedantic -Wno-long-long  -DHAVE_CONFIG_H -DGENERATOR_FILE    -I. -I. -I../../gcc/gcc -I../../gcc/gcc/. -I../../gcc/gcc/config -I../../gcc/gcc/../include ../../gcc/gcc/read-rtl.c
../../gcc/gcc/read-rtl.c: In function `read_escape':
../../gcc/gcc/read-rtl.c:266: Virtual array basic_block_for_insn[372]: element 383 out of bounds in merge_blocks_nomove, at flow.c:2800
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL: http://www.gnu.org/software/gcc/bugs.html > for instructions.
make[2]: *** [read-rtl.o] Error 1
make[2]: Leaving directory `/mnt/egcs/build/gcc'
make[1]: *** [stage2_build] Error 2
make[1]: Leaving directory `/mnt/egcs/build/gcc'
make: *** [bootstrap-lean] Error 2