[llvm] [LLVM] Change `LLVMIntrinsicCopyOverloadedName` API return type (PR #114334)

[Rahul Joshi via llvm-commits]

jurahul wrote:

> LGTM

Thanks. Assuming this does not need a mention in release notes as existing code will continue to compile (API compatibility) and existing already built code will continue to work as well (ABI compatibility).

https://github.com/llvm/llvm-project/pull/114334