[clang] [llvm] [LLVM] Introduce 'llvm-offload-wrapper' tool (PR #153504)

[Joseph Huber via cfe-commits]

jhuber6 wrote:

> Thanks! This functionality is much needed. Would it be better if we add it as a flag in the existing `clang-linker-wrapper` tool, instead of adding a new tool?

Honestly a lot of those clang tools should be made LLVM tools anyways.  There's plenty of existing LLVM tools that only exist for testing purposes so I think it's reasonable to keep things simple here.

https://github.com/llvm/llvm-project/pull/153504