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

[Teresa Johnson via llvm-commits]

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@@ -707,6 +712,8 @@ void LinkerDriver::linkerMain(ArrayRef<const char *> argsArr) {
     invokeELFT(link, args);
   }
 
+  cleanupLTO();
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teresajohnson wrote:

Add comment to document why this is done here (so it doesn't get moved below time tracing below for example). Ditto for COFF

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