Richard -- Well, my patch for the DECL_RTL/DECL_MODE buglet did get me past that. But, now, the preprocessor is crashing on tmp-dum.c, just as it was about a week ago. So, it looks like those registers stopped getting marked as live again somehow... :-( -- Mark Mitchell mark@codesourcery.com CodeSourcery, LLC http://www.codesourcery.com