On 1 Dec 2010 at 9:48, Al Kossow wrote:
  Smalltalk in itself.
 The Alto Mesa system in itself
 DEC SRC Topaz in Modula-2 Plus
 and on and on 
...and that's not counting the implementation languages that were
written specifically for a platform.  CDC Cyber in the 70's went from
being almost exclusively assembly with FORTRAN sprinkled in to large
sections written in SYMPL (based loosely on Pascal).  CDC STAR OS was
entirely IMPL (LRLTRAN with inline assembly capabilities and some
datatype extensions).
--Chuck