erichkeane added inline comments.

================
Comment at: clang/include/clang/Basic/Attr.td:4129
+  let Documentation = [WebAssemblyExportNameDocs];
+  let Subjects = SubjectList<[TypedefName], ErrorDiag>;
+}
----------------
pmatos wrote:
> erichkeane wrote:
> > pmatos wrote:
> > > erichkeane wrote:
> > > > Note that it seems this is likely not going to work correctly on 
> > > > template type aliases!  You probably want to make sure that is 
> > > > acceptable to you.
> > > Documentation says about Subject:
> > > 
> > > ```
> > >   // The things to which an attribute can appertain
> > >   SubjectList Subjects;
> > > ```
> > > 
> > > Given this can be attached to function pointer types, is the subject then 
> > > just Type ?
> > IIRC, the list of subjects are the Decls and Stmt types that are possibly 
> > allowed.  I don't thnk it would be just 'Type' there.
> > 
> > As you have it, it is only allowed on TypedefNameDecl.
> > 
> > See the SubsetSubject's at the top of this file for some examples on how 
> > you could constrain a special matcher to only work on function pointer 
> > decls.
> Good point @erichkeane . What do you think of FunctionPointer implementation 
> here?
That seems acceptable to me.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D128440/new/

https://reviews.llvm.org/D128440

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