[llvm] [SPIR-V] Improve portability of the code (PR #123584)

[Vyacheslav Levytskyy via llvm-commits]

VyacheslavLevytskyy wrote:

@michalpaszkowski @Keenuts Any ideas about "Pure virtual function called!" in "LLVM-Unit :: Target/SPIRV/./SPIRVTests" or about sanitizers are welcome. We've got some problems with sanitizers other than Address that has been checked and properly covered earlier.

https://github.com/llvm/llvm-project/pull/123584