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

[Alexey Bataev via cfe-commits]

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@@ -4672,43 +4672,81 @@ static bool
 buildCapturedStmtCaptureList(Sema &S, CapturedRegionScopeInfo *RSI,
                              SmallVectorImpl<CapturedStmt::Capture> &Captures,
                              SmallVectorImpl<Expr *> &CaptureInits) {
+  bool HasError = false; // Track if any errors occurred.
+  llvm::SmallPtrSet<VarDecl *, 4> CapturedDecomposed;
   for (const sema::Capture &Cap : RSI->Captures) {
     if (Cap.isInvalid())
       continue;
 
+    ValueDecl *CapVar = nullptr;
+    if (Cap.isVariableCapture()) {
+      CapVar = Cap.getVariable();
+      if (auto *BD = dyn_cast<BindingDecl>(CapVar)) {
+        if (RSI->CapRegionKind == CR_OpenMP && BD->getHoldingVar()) {
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alexey-bataev wrote:

Still the question about potential dead code here

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