[clang] [Clang] Implement C++26 Attributes for Structured Bindings (P0609R3) (PR #89906)

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@@ -317,7 +317,7 @@ void Declarator::setDecompositionBindings(
           new DecompositionDeclarator::Binding[Bindings.size()];
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cor3ntin wrote:

Note I'm not super fan of the hidden vector implementation here.
It forces Binding to be default constructible.

https://github.com/llvm/llvm-project/pull/89906