"compiler/rt/params.lisp" did not exist on "ac9ab79f861b893b177dcb9b2d4adf37dfb54763"
o Always allocate 2 words for bignums even if we don't need both words. (GC will take care of the extra word.)
o Always allocate 2 words for bignums even if we don't need both words. (GC will take care of the extra word.)