[clang] [Clang][Sema] Mark decomposition decl invalid for explicit array type (PR #210964)

[Shengxin Pei via cfe-commits]

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@@ -367,6 +367,9 @@ features cannot lower the translation-unit ABI level;
 - Fixed a crash when a using-declaration naming an unresolvable member of a
   dependent base was shadowed by an invalid using-declaration. (#GH209427)
 
+- Fixed a crash when a structured binding was declared with an explicit
----------------
TPPPP72 wrote:

```suggestion
- Fixed an assertion when a structured binding was declared with an explicit
```

https://github.com/llvm/llvm-project/pull/210964