build broken

[mike stump]

The build for the native sparc-sun-solaris2.7 bootstrap is broken:

../../gcc/gcc/unwind-dw2-fde.c: In function `classify_object_over_fdes':
../../gcc/gcc/unwind-dw2-fde.c:650: Internal compiler error in do_SUBST, at combine.c:439
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://www.gnu.org/software/gcc/bugs.html> for instructions.
make[3]: *** [libgcc/./unwind-dw2-fde.o] Error 1
make[2]: *** [stmp-multilib] Error 2
make[2]: Leaving directory `/kankakee1/tmp/mrs/net/gcc-sol/gcc'
make[1]: *** [stage1_build] Error 2
make[1]: Leaving directory `/kankakee1/tmp/mrs/net/gcc-sol/gcc'
make: *** [bootstrap] Error 2

:-(  Alexandre?