[clang] [clang][Sema] Fix false positive -Wshadow with structured binding captures (PR #157667)

[Mariya Podchishchaeva via cfe-commits]

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@@ -8566,8 +8580,10 @@ void Sema::DiagnoseShadowingLambdaDecls(const LambdaScopeInfo *LSI) {
     const NamedDecl *ShadowedDecl = Shadow.ShadowedDecl;
     // Try to avoid the warning when the shadowed decl isn't captured.
     const DeclContext *OldDC = ShadowedDecl->getDeclContext();
-    if (const auto *VD = dyn_cast<VarDecl>(ShadowedDecl)) {
+    if (isa<VarDecl, BindingDecl>(ShadowedDecl)) {
+      const auto *VD = cast<ValueDecl>(ShadowedDecl);
       SourceLocation CaptureLoc = getCaptureLocation(LSI, VD);
+
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Fznamznon wrote:

```suggestion
```

https://github.com/llvm/llvm-project/pull/157667