release

[Stephen Weeks]

> 
> > > to mlton-basis.h.  That took care of everything except for int-overflow, which
> > > is probably failing due to a problem unrelated to reals, but that hasn't been
> > > noticed in a while.
> > 
> > Oops.  I forgot that the native backend still has overflow checking off by
> > default.  All tests have now passed, so it was only the header file problem.
> 
> The native backend has overflow checking off by default?  (My reading of
> control.sml and main.sml suggest that it is on by default.)

Oops.  I meant non-native.  And even that will be changing with the SSA backend.