The return type and param type arguments don't run in enclosing_ast as
expected by inlineable, so we need to skip them also

On Wednesday, March 26, 2014, Jeff Bezanson <notifications@github.com>
wrote:

> In base/inference.jl:
>
> >      if is_known_call(e, Core.Intrinsics.ccall, sv)
> > -        i0 = 3
> > +        i0 = 5
>
> Why 5?
>
> —
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>