dang added inline comments.

================
Comment at: clang/lib/ExtractAPI/ExtractAPIConsumer.cpp:245
+    if (const auto *SuperClassDecl = Decl->getSuperClass()) {
+      SuperClass.Name = SuperClassDecl->getObjCRuntimeNameAsString();
+      SuperClass.USR = API.recordUSR(SuperClassDecl);
----------------
dang wrote:
> dang wrote:
> > zixuw wrote:
> > > dang wrote:
> > > > Shouldn't we be recording this string in the StringAllocator for reuse 
> > > > later. I have a patch in progress for macro support that will do the 
> > > > serialization once the AST isn't available anymore so we really 
> > > > shouldn't be taking in StringRefs for stuff in the AST.
> > > Right but that only makes sense once we kill the AST before serialization 
> > > right? I mean I'm happy to wrap these in `copyString` now if we know for 
> > > sure that we're doing that in a later patch. But it feels beyond the 
> > > scope of this particular patch. Especially that we'd also need to go 
> > > through the previous code to copy the names of global records, enums, 
> > > etc. anyway.
> > > 
> > > I feel like that the change to surface `APISet` and punt serialization 
> > > should be separated out from the macro change. And we can wrap all the 
> > > name strings in that patch so that it's a meaningful atomic commit.
> > Yeah sounds good!
> I have looked into it a bit more and the ASTContext will still be live at 
> that point (it gets deallocated right after we will be doing the 
> serialization) so this is fine.
I thought it would still make sense to split the macro patch in two so here we 
go: https://reviews.llvm.org/D122648


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D122446/new/

https://reviews.llvm.org/D122446

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