http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55939
--- Comment #6 from Jeffrey A. Law <law at redhat dot com> 2013-01-18 04:28:01 UTC --- Thanks. The fact that -fno-rename-registers does not affect the result indicates this is a separate code generation issue than the one I'm working on. The reduced testcase should help considerably. Thanks, Jeff