darwin bootstrap failure in mainline

[Fariborz Jahanian]

Mainline bootstrap fails for apple-ppc-darwin today.

- fariborz

./xgcc -B./ -B/usr/local/powerpc-apple-darwin7.0.0/bin/ -isystem 
/usr/local/powerpc-apple-darwin7.0.0/include -isystem 
/usr/local/powerpc-apple-darwin7.0.0/sys-include 
-L/Volumes/sandbox/gcc-mainline-original.obj/gcc/../ld -DIN_GCC    -W 
-Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes 
-Wold-style-definition  -isystem ./include  -I. -I. 
-I../../gcc-mainline-original/gcc -I../../gcc-mainline-original/gcc/. 
-I../../gcc-mainline-original/gcc/../include -I./../intl 
-I../../gcc-mainline-original/gcc/../libcpp/include 
-I../../gcc-mainline-original/gcc/../libbanshee/libcompat 
-I../../gcc-mainline-original/gcc/../libbanshee 
-I../../gcc-mainline-original/gcc/../libbanshee/points-to   \
   -c ../../gcc-mainline-original/gcc/config/darwin-crt2.c -o crt2.o
../../gcc-mainline-original/gcc/config/darwin-crt2.c: In function 
`__darwin_gcc3_preregister_frame_info':
../../gcc-mainline-original/gcc/config/darwin-crt2.c:146: internal 
compiler error: RTL flag check: MEM_READONLY_P used with unexpected rtx 
code `reg' in machopic_legitimize_pic_address, at config/darwin.c:617
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
make[2]: *** [crt2.o] Error 1
make[1]: *** [stage1_build] Error 2
make: *** [bootstrap] Error 2