regression test for DEFINITE code gen bug
regression test for DEFINITE code gen bug

where a decont was accidentally clobbering the local
register that contained a variable that we wanted
to write to later.

zostay/roast,skids/roast,b2gills/roast,perl6/roast,skids/roast,b2gills/roast,dogbert17/roast,bitrauser/roast,dankogai/roast,dogbert17/roast,skids/roast,dankogai/roast,zostay/roast,zostay/roast,bitrauser/roast,dankogai/roast,b2gills/roast