target/10021: [3.2/3.3/3.4 regression] [m68k] alias problem during loop pass

[Steven Bosscher]

http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=10021

According to Zippel, this is an "alias problem during loop pass"

The synopsis of PR 9745 says:
[3.3/3.4 regression][powerpc] miscompiles libmcrypt (alias problem 
during loop)

Could these PRs be related?  Any ideas how to test that?

Greetz
Steven