[llvm] [SPIRV] Add logic for OpGenericCastToPtrExplicit rewriting (PR #146596)

[Nico Weber via llvm-commits]

nico wrote:

Failing on my bot too (same error; http://45.33.8.238/linux/172789/step_11.txt), but I'm pretty sure mine does have the SPIRV target enabled. So I'm not sure if https://github.com/llvm/llvm-project/pull/147977 is the right fix.



https://github.com/llvm/llvm-project/pull/146596