[plt-scheme] read (compiled): ill-formed code

Hi,
I just downloaded 352.2, recompiled some scm sources and get
read (compiled): ill-formed code ...
when loading a compiled file (zo). No problems when loading the 
corresponding source (scm) file
Best wishes, Jos Koot
((((lambda(x)((((((x x)x)x)x)x)x))
   (lambda(x)(lambda(y)(x(x y)))))
  (lambda(x)(write x)x))
 "greetings, Jos")