[llvm] [SPIR-V] Diagnose out-of-bounds argument index in function type metadata (PR #200601)

[Dmitry Sidorov via llvm-commits]

https://github.com/MrSidims commented:

Frankly, I have troubles interpreting what is going on here and it will take time. Would be nice if @jmmartinez / @AlexVlx take a look. 

https://github.com/llvm/llvm-project/pull/200601