[libcxx-commits] [clang] [libcxxabi] [llvm] [Clang] Mangling of pack indexing type and expression for itanium (PR #123513)

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cor3ntin wrote:

> Hmm, I'm unfamiliar with the libcxx/LLVM demangler part, but it does look like we're duplicating something. Can anyone explain why we have to do that?

https://github.com/llvm/llvm-project/blob/main/llvm/include/llvm/Demangle/README.txt

It's... not great ( guess how many times i modified the wrong copy?!)

https://github.com/llvm/llvm-project/pull/123513