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

[Daniel Petrovic via cfe-commits]

daniel-petrovic 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.
I like this point.
Having consistency in mind : IMO it should be : **all** XOR **none** XOR **according to some measure** (is there maybe one ?)

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