[llvm-branch-commits] [clang] release/21.x: [ExtractAPI] Format typedef params correctly (#171516) (PR #171522)

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dyung wrote:

> It's not a regression, it's a bug that surfaced recently.

How recently? Was the code above producing the correct result in LLVM 20, 19, 18, etc.?

https://github.com/llvm/llvm-project/pull/171522