AaronBallman wrote:

> Ok, I added the release note.
> 
> > we'd use ABI version tags for it at that point.
> 
> @AaronBallman Could you please elaborate a bit more on that?

We have a command line option, `-fclang-abi-compat=`, which lets the user say 
"I want to be ABI compatible with Clang version X". In code, we have 
`LangOptions::ClangABICompat` which tracks that information so we can either go 
down the "old path" or the "new path" as needed, like in: 
https://github.com/llvm/llvm-project/blob/edf636afe405ff90da7bf1834aa334bd52bc861e/clang/lib/AST/DeclCXX.cpp#L1002

https://github.com/llvm/llvm-project/pull/139566
_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

Reply via email to