[clang] [clang] Prevent stack overflow on deeply nested template arguments (PR #224393)

[Yanzuo Liu via cfe-commits]

zwuis wrote:

I wonder whether we should reconsider all `runWithSufficientStackSpace`s in parser if we reject this PR. Most (I didn't check all) `runWithSufficientStackSpace`s in parser are used to handle code generated by scripts.

https://github.com/llvm/llvm-project/pull/224393