Emulation fatal error -- Valgrind cannot continue:
  PPC64 function redirection stack overflow
   ...
   by 0x........: pre (wrap8.c:116)
   by 0x........: fact2 (wrap8.c:77)
   by 0x........: fact1 (wrap8.c:49)
   by 0x........: fact1 (wrap8.c:65)
   by 0x........: fact2 (wrap8.c:54)
   by 0x........: fact2 (wrap8.c:79)
   by 0x........: fact1 (wrap8.c:49)
   by 0x........: fact1 (wrap8.c:65)
   by 0x........: fact2 (wrap8.c:54)

Valgrind has to exit now.  Sorry.

