r178173 - Cleanup clang's specializations of simplify_type.

[John McCall]

On Mar 27, 2013, at 12:38 PM, Rafael Espindola <rafael.espindola at gmail.com> wrote:
> Author: rafael
> Date: Wed Mar 27 14:38:14 2013
> New Revision: 178173
> 
> URL: http://llvm.org/viewvc/llvm-project?rev=178173&view=rev
> Log:
> Cleanup clang's specializations of simplify_type.
> 
> Now that the basic implementation in llvm has been fixed, simplify the
> specializations in clang.

I don't think any of these need to take their arguments by reference.

John.