[clang] [Clang][P1061] Add stuctured binding packs (PR #121417)

[Richard Smith via cfe-commits]

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@@ -1099,6 +1099,13 @@ def err_lambda_capture_misplaced_ellipsis : Error<
   "the name of the capture">;
 def err_lambda_capture_multiple_ellipses : Error<
   "multiple ellipses in pack capture">;
+def err_binding_multiple_ellipses : Error<
+  "multiple ellipses in structured binding declaration">;
+def note_previous_ellipsis : Note<
+  "previous ellipsis specified here">;
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zygoloid wrote:

It seems a little strange to talk about ellipses rather than packs here. Maybe "multiple binding packs in [...]" instead?

https://github.com/llvm/llvm-project/pull/121417