[clang-tools-extra] [libc] [flang] [clang] [compiler-rt] [libcxx] [llvm] [IR] Disallow ZeroInit for spirv.Image (PR #73887)

[Justin Bogner via cfe-commits]

bogner wrote:

This change causes a number of the spir-v backend tests to crash:
> Failed Tests (5):
>   LLVM :: CodeGen/SPIRV/image-unoptimized.ll
>   LLVM :: CodeGen/SPIRV/read_image.ll
>   LLVM :: CodeGen/SPIRV/transcoding/get_image_num_mip_levels.ll
>   LLVM :: CodeGen/SPIRV/transcoding/image_with_access_qualifiers.ll
>   LLVM :: CodeGen/SPIRV/transcoding/spirv-types.ll

https://github.com/llvm/llvm-project/pull/73887