[MLton] x86_64 port status + powerpc

[Wesley W. Terpstra]

On May 9, 2006, at 6:43 PM, Matthew Fluet wrote:
> Does ppc osx give any inlining warnings for gc.o?

Yes. All the warnings Stephan already reported, I see too.
(ie: format string, return defaults to int, overloaded gdtoa strtod,  
and inlining)

... also, I introduced a new one: discarding const, but otherwise it  
just discards it in the platform/darwin.c; this way is more honest.