is subreg with subreg_byte outside source valid?

[David Edelsohn]

>>>>> Jan Hubicka writes:

Jan> Is the powerpc breakage I caused by the patch serious for you? I hope
Jan> these two issues to see sorted out till tommorow evening, but I may
Jan> try to commit some very conservative fixes as obvious until thinks settle
Jan> down if required.

	I'm not pedantic about the trunk.  You said these were testsuite
failures, not build failures, so it should not prevent anyone from
working.  I appreciate your giving me a heads up.

Thanks, David