[clang] [clang][bytecode] Fix bitcasting from null pointers (PR #116999)

[Timm Baeder via cfe-commits]

tbaederr wrote:

This needs to incorporate the resolution from https://github.com/llvm/llvm-project/issues/117166, but that doesn't work properly without https://github.com/llvm/llvm-project/pull/116843 mergged first.

https://github.com/llvm/llvm-project/pull/116999