Bootstrap broken at stage1

[dominiq at lps dot ens dot fr (Dominique Dhumieres)]

Since yesterday ~16h GMT boostraping is broken on Darwin8 at stage1:

...
/opt/gcc/darwin_buildw/./gcc/xgcc -B/opt/gcc/darwin_buildw/./gcc/ -B/opt/gcc/gcc4.3w/powerpc-apple-darwin8/bin/ -B/opt/gcc/gcc4.3w/powerpc-apple-darwin8/lib/ -isystem /opt/gcc/gcc4.3w/powerpc-apple-darwin8/include -isystem /opt/gcc/gcc4.3w/powerpc-apple-darwin8/sys-include -g -fkeep-inline-functions -m64 -O2  -O2 -g -O2   -DIN_GCC    -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition  -isystem ./include  -Wa,-force_cpusubtype_ALL -pipe -mmacosx-version-min=10.4 -g -DHAVE_GTHR_DEFAULT -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED   -I. -I. -I../../.././gcc -I../../../../gcc-4.3-work/libgcc -I../../../../gcc-4.3-work/libgcc/. -I../../../../gcc-4.3-work/libgcc/../gcc -I../../../../gcc-4.3-work/libgcc/../include  -DHAVE_CC_TLS -o _gcov.o -MT _gcov.o -MD -MP -MF _gcov.dep -DL_gcov -c ../../../../gcc-4.3-work/libgcc/../gcc/libgcov.c
../../../../gcc-4.3-work/libgcc/../gcc/gcov-io.c: In function 'gcov_write_words':
../../../../gcc-4.3-work/libgcc/../gcc/gcov-io.c:242: error: invalid rtl sharing found in the insn
(insn 126 125 127 5 (set (reg/f:DI 172)
        (mem/u/c:DI (lo_sum:DI (reg:DI 173)
                (const:DI (minus:DI (symbol_ref:DI ("&L___gcov_var$non_lazy_ptr") [flags 0x400] <var_decl 0xf33ea0 __gcov_var>)
                        (symbol_ref:DI ("<pic base>") [flags 0x600])))) [0 S8 A8])) -1 (expr_list:REG_DEAD (reg:DI 173)
        (expr_list:REG_EQUAL (symbol_ref:DI ("__gcov_var") [flags 0x200] <var_decl 0xf33ea0 __gcov_var>)
            (nil))))
../../../../gcc-4.3-work/libgcc/../gcc/gcov-io.c:242: error: shared rtx
(const:DI (minus:DI (symbol_ref:DI ("&L___gcov_var$non_lazy_ptr") [flags 0x400] <var_decl 0xf33ea0 __gcov_var>)
        (symbol_ref:DI ("<pic base>") [flags 0x600])))
../../../../gcc-4.3-work/libgcc/../gcc/gcov-io.c:242: internal compiler error: internal consistency failure
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
{standard input}:802:non-relocatable subtraction expression, "L___gcov_var$non_lazy_ptr" minus "L00000000005$pb"
{standard input}:802:symbol: "L___gcov_var$non_lazy_ptr" can't be undefined in a subtraction expression
...

TIA

Dominique