[PATCH] Update dwarf::ApplePropertyAttributes enum to meaningful values.

[Frederic Riss]

================
Comment at: include/llvm/Support/Dwarf.h:784
@@ -783,1 +783,3 @@
+/// Contstants for the DW_APPLE_PROPERTY_attributes attribute.
+/// Keep this list in sync with clang's DeclSpec.h ObjCPropertyAttributeKind.
 enum ApplePropertyAttributes {
----------------
dblaikie wrote:
> Crazy idea: Could we do this the other way around, and remove ObjCPropertyAttributeKind in favor of using this enum directly?
> 
> Probably not, but figured I'd mention it.
I thought of that but I think there would be (rightful) resistance to having Sema code depend on the Dwarf header. In a followup patch for the dwarfdump functionality, I'll try to add coverage for most if not all of these, that will at least prevent us from breaking the current values unknowingly.

http://reviews.llvm.org/D5653