* don't try to check whether the last parameter of a cdecl function is a
    varargs parameter if it doesn't have any parameters

git-svn-id: http://svn.freepascal.org/svn/fpc/branches/hlcgllvm@28399 3ad0048d-3df7-0310-abae-a5850022a9f2
  * simplified in_smallset() and removed some old cruft (there's no need
    anymore to change the register size)

git-svn-id: http://svn.freepascal.org/svn/fpc/branches/hlcgllvm@28400 3ad0048d-3df7-0310-abae-a5850022a9f2