I'm a bit surprised I'm not seeing other notes on this on the list, but all of my automated tests (on i386-unknown-freebsd9.0 and amd64-unknown-freebsd8.2) exhibit comparision failures since yesterday:
Comparing stages 2 and 3 warning: gcc/cc1obj-checksum.o differs warning: gcc/cc1plus-checksum.o differs warning: gcc/cc1-checksum.o differs Bootstrap comparison failure! gcc/build/genautomata.o differs gcc/c-decl.o differs gcc/combine.o differs gcc/gimple-iterator.o differs gcc/ira-conflicts.o differs gcc/tree-iterator.o differs libiberty/pic/md5.o differs libiberty/pic/regex.o differs zlib/libz_a-infback.o differs zlib/libz_a-inflate.o differs gmake[2]: *** [compare] Error 1 gmake[2]: Leaving directory `/scratch/tmp/gerald/OBJ-0403-1739' gmake[1]: *** [stage3-bubble] Error 2 gmake[1]: Leaving directory `/scratch/tmp/gerald/OBJ-0403-1739' gmake: *** [bootstrap-lean] Error 2 No special configure options. Kai, yours is the only change being listed in gcc/ChangeLog for yesterday. Gerald