[clang] [llvm] [clang][sycl][nvlink] Share static library linking in Frontend/Offloading (PR #201253)

[Alexey Bader via cfe-commits]

bader wrote:

@tstellar, thanks for reporting. This PR adds a diagnostic about missing input files.
It looks like the last part of the `-Wl,-z,relro ` linker flag is interpreted as an input file. I guess it happens because there are two values `-z` and `relro`.

I'll investigate what's going on.

https://github.com/llvm/llvm-project/pull/201253