[clang] [clang] Implement __attribute__((format_matches)) (PR #116708)

[Shafik Yaghmour via cfe-commits]

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In-Reply-To: <llvm.org/llvm/llvm-project/pull/116708 at github.com>


https://github.com/shafik commented:

Apologies if I somehow missed it but it looks like we are not really covering the diagnostics fully and we need to in order to prevent regressions over time and to make sure we don't have latent bugs.

https://github.com/llvm/llvm-project/pull/116708