[clang] [OpenMP] Support capturing structured bindings in OpenMP regions. (PR #190832)

[Alexey Bataev via cfe-commits]

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@@ -4028,6 +4221,12 @@ class DSAAttrChecker final : public StmtVisitor<DSAAttrChecker, void> {
         if (!Stack->isImplicitDefaultFirstprivateFD(VD))
           return;
       VD = VD->getCanonicalDecl();
+      // Skip BindingDecls and DecompositionDecls - they should be handled
+      // through explicit mapping of the original variable or as member
+      // expressions. When bindings are captured, the original variable
+      // is what needs to be mapped, not the decomposition itself.
+      if (isa<BindingDecl>(VD) || isa<DecompositionDecl>(VD))
----------------
alexey-bataev wrote:

```suggestion
      if (isa<DecompositionDecl>(VD))
```
BindingDecl is not derived from VarDecl

https://github.com/llvm/llvm-project/pull/190832