[lld] [llvm] [DTLTO] Overlap temporary file removal (PR #209423)

[Ben Dunbobbin via llvm-commits]

bd1976bris wrote:

> Couple questions below. Also, do you need something in llvm-lto2 like in the prior version of the patch?

Thanks for looking at this. Now that I'm not relying on the destructor I have added a hook to llvm-lto2 as well.

https://github.com/llvm/llvm-project/pull/209423