[lld] [lld-macho] Add flag --keep-icf-stabs to LLD for MachO (PR #93137)

[Kyungwoo Lee via llvm-commits]

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@@ -85,6 +85,9 @@ def icf_eq: Joined<["--"], "icf=">,
     HelpText<"Set level for identical code folding (default: none)">,
     MetaVarName<"[none,safe,all]">,
     Group<grp_lld>;
+def keep_icf_stabs: Joined<["--"], "keep-icf-stabs">,
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kyulee-com wrote:

It appears a known common word for debug info. From your link, I'm seeing this.
> we read the debug map (the stabs entries) out of the executable and create an address translation map for each .o file specifying what address the symbols landed at.

So, I think you can just expand the HelpText a bit on this flag.

https://github.com/llvm/llvm-project/pull/93137