[clang] [llvm] [libsycl][Driver] Move and rename the SYCL shared library (PR #188770)

[Sergey Semenov via cfe-commits]

sergey-semenov wrote:

> As we are changing the library name that will be referenced at runtime of a built binary, how would resolution of the library for any existing binaries be handled? Produce a symbolic link? libsycl -> libLLVMSYCL?

Is that a concern at the current stage of upstreaming? AFAIU, we're not guaranteeing backward compatibility between builds yet.

https://github.com/llvm/llvm-project/pull/188770