Fw: [tree-profiling-branch] bootstrap problem on darwin

[Olga Golovanevsky <OLGA at il dot ibm dot com>]

I am bootstraping tree-profiling-branch with -O2 option
on powerpc-apple-darwin7.6.0 and it fails on final comparison.
does it look familiar? any suggestion for solution?

Bootstrap comparison failure!
./c-common.o differs
./c-decl.o differs
./c-format.o differs
./c-incpath.o differs
./c-lex.o differs
./c-pch.o differs
./c-typeck.o differs
./gimplify.o differs
./tree-cfg.o differs
./tree-data-ref.o differs
./tree-dfa.o differs
./tree-eh.o differs
./tree-into-ssa.o differs
./tree-mudflap.o differs
./tree-outof-ssa.o differs
./tree-pretty-print.o differs
./tree-scalar-evolution.o differs
./tree-ssa-ccp.o differs
./tree-ssa.o differs
build/gengtype-lex.o differs
build/genmddeps.o differs
build/genmodes.o differs
build/gensupport.o differs
build/read-rtl.o differs
make[1]: *** [gnucompare] Error 1
make: *** [bootstrap] Error 2

thanks,
olga