[PATCH] Fixing some ObjC attributes

[jahanian]

LGTM.
- Fariborz

On Nov 22, 2013, at 1:19 PM, Aaron Ballman <aaron at aaronballman.com> wrote:

> In my quest for consolidated attribute subject diagnostics, I ran into
> these two cases where we were handling ObjC attributes outside of the
> norm. Specifically:
> 
> objc_arc_weak_reference_unavailable had a Subjects that specified it
> required an ObjcInterface, but no subject check in SemaDeclAttr.cpp
> and no test case. This patch adds the semantics test and testcase.
> 
> objc_requires_property_definitions had a Subjects that specified it
> required an ObjCInterface, but the diagnostic issued from
> SemaDeclAttr.cpp was a custom one instead of the common one. This
> patch changes the diagnostic and corrects an existing testcase.
> 
> Thanks!
> 
> ~Aaron
> <ObjCAttr.patch>