ahatanak marked an inline comment as done.
ahatanak added inline comments.

================
Comment at: include/clang/Basic/DiagnosticSemaKinds.td:922
+def warn_objc_boxing_invalid_utf8_string : Warning<
+  "string is ill-formed as UTF-8 and will become a null NSString* when boxed">,
+  InGroup<ObjCBoxing>;
----------------
rjmccall wrote:
> ahatanak wrote:
> > rjmccall wrote:
> > > Might as well use the `NSStringPointer` type we stash on Sema so that 
> > > this will be the right type even in more obscure environments.
> > I wasn't exactly sure when `NSStringPointer` can be anything other than 
> > `NSString *`.
> Hmm.  It's possible that it can't be for boxing, but I'm pretty sure it can 
> be overridden for string literals, and it's not ridiculous that we'd allow 
> that to be changed for arbitrary boxing as well, so this is good idea 
> regardless.
I agree, it's probably a good idea.


Repository:
  rC Clang

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D58729/new/

https://reviews.llvm.org/D58729



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