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

[Jason Rice via cfe-commits]

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@@ -15991,6 +15991,13 @@ TreeTransform<Derived>::TransformFunctionParmPackExpr(FunctionParmPackExpr *E) {
   return E;
 }
 
+template <typename Derived>
+ExprResult TreeTransform<Derived>::TransformResolvedUnexpandedPackExpr(
+    ResolvedUnexpandedPackExpr *E) {
+  // Default behavior is to do nothing with this transformation.
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ricejasonf wrote:

I was about to do this, but I see I followed the convention of the other ParmPackExpr kinds above it. Are you sure you want me to move template instantiation stuff into TreeTransform?

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