[clang] [Clang][P1061] Consolidate ResolvedUnpexandedPackExpr into FunctionParmPackExpr (PR #125394)

[Erich Keane via cfe-commits]

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@@ -4278,25 +4276,21 @@ class DecompositionDecl final
   // Provide a flattened range to visit each binding.
   auto flat_bindings() const {
     llvm::ArrayRef<BindingDecl *> Bindings = bindings();
-    llvm::ArrayRef<Expr *> PackExprs;
+    llvm::ArrayRef<BindingDecl *> PackBindings;
 
     // Split the bindings into subranges split by the pack.
-    auto S1 = Bindings.take_until(
+    auto BeforePackBindings = Bindings.take_until(
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erichkeane wrote:

```suggestion
    llvm::ArrayRef<BindingDecl*> BeforePackBindings = Bindings.take_until(
```

https://github.com/llvm/llvm-project/pull/125394