[lld] [LLD][COFF] Allow -arm64xsameaddress in ARM64EC directives (PR #139631)

[Martin Storsjö via llvm-commits]

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@@ -31,6 +31,9 @@ multiclass B_priv<string name> {
 def align   : P<"align", "Section alignment">;
 def aligncomm : P<"aligncomm", "Set common symbol alignment">;
 def alternatename : P<"alternatename", "Define weak alias">;
+def arm64xsameaddress
+    : P<"arm64xsameaddress", "Generate a thunk for the symbol with the same "
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mstorsjo wrote:

As the option is a no-op, would it be better if the option description made this clear for now? Do you plan on doing a full implementation of the option later, or is that deferred until there's an actual need for it?

https://github.com/llvm/llvm-project/pull/139631