[Bug target/83868] i386: Clean up thunk function generation

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83868

--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to Eric Gallager from comment #1)
> (In reply to H.J. Lu from comment #0)
> > output_indirect_thunk_function and ix86_code_end should be generated
> > the way in which normal thunks are output from middle-end.
> 
> Which way is that?

See:

https://gcc.gnu.org/ml/gcc-patches/2018-01/msg01357.html