[clang] [LinkerWrapper] Fix -fsave-optimization-record default file (PR #149003)

[Joseph Huber via cfe-commits]

jhuber6 wrote:

> We = the user? Then you run into the clobbering problem you mentioned for other yaml files. Moreover, why shouldn't -fsave-optimization-record just work like it does elsewhere?

The issue is the embedded job, I figured we could just create the appropriate filename in the linker wrapper.

https://github.com/llvm/llvm-project/pull/149003