[lld] [lld][COFF][LTO] Implement /lldemit:llvm option (PR #66964)

[Martin Storsjö via llvm-commits]

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@@ -76,6 +76,7 @@ def lldltocachepolicy : P<"lldltocachepolicy",
     "Pruning policy for the ThinLTO cache">;
 def lldsavetemps : F<"lldsavetemps">,
     HelpText<"Save intermediate LTO compilation results">;
+def lldemit : P<"lldemit", "Specify output type">;
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mstorsjo wrote:

Can you sort this line alphabetically with the rest of the `lld`-prefixed options above? Alternatively there's a whole section with lld specific custom options below (after line 223), with lots of LTO specific options, where I think this might fit in even better?

https://github.com/llvm/llvm-project/pull/66964