[clang] [Clang] add option --offload-jobs=N (PR #135229)

[Joseph Huber via cfe-commits]

================
@@ -1234,6 +1234,10 @@ def offload_compression_level_EQ : Joined<["--"], "offload-compression-level=">,
   Flags<[HelpHidden]>,
   HelpText<"Compression level for offload device binaries (HIP only)">;
 
+def offload_jobs_EQ : Joined<["--"], "offload-jobs=">,
+  HelpText<"Specify the number of threads for the clang-linker-wrapper"
+           " (--wrapper-jobs=N)">;
----------------
jhuber6 wrote:

This seems a little too specific, the average user isn't going to even know what the linker wrapper is.

https://github.com/llvm/llvm-project/pull/135229