pcc added inline comments.

================
Comment at: clang/include/clang/AST/DeclCXX.h:531
+    /// \brief Whether the class uses the relative C++ vtable ABI.
+    unsigned IsRelativeCXXABI : 1;
+
----------------
rjmccall wrote:
> Should we proactively generalize this as a "CXXABIVariant" enum, which for 
> now can just be "Standard" and "RelativeVTables"?
> 
> Also, I don't want to pre-empt your secret plans, but if Fuchsia is just 
> going to use this as its system C++ ABI, maybe we should plan for that, too.
At this point I probably would remove this bitfield entirely. This 
implementation does not support enabling the ABI on a per-class basis, so 
everywhere that we are currently checking this field we should just be able to 
check `RelativeCXXABIVTables` in `LangOptions`.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D58321/new/

https://reviews.llvm.org/D58321



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