[clang] [OpenMP 6.0] Parse/Sema support for reduction over private variable with reduction clause. (PR #129938)

[Alexey Bataev via cfe-commits]

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@@ -3757,6 +3768,31 @@ class OMPReductionClause final
   /// reduction copies.
   void setRHSExprs(ArrayRef<Expr *> RHSExprs);
 
+  /// Set the list private reduction flags
+  void setPrivateVariableReductionFlags(ArrayRef<bool> Flags) {
+    assert(Flags.size() == varlist_size() &&
+           "Number of private flags does not match vars");
+    llvm::copy(Flags, getTrailingObjects<bool>());
+  }
+
+  /// Get the list of help private variable reduction flags
+  MutableArrayRef<bool> getPrivateVariableReductionFlags() {
+    return MutableArrayRef<bool>(getTrailingObjects<bool>(), varlist_size());
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alexey-bataev wrote:

```suggestion
    return MutableArrayRef(getTrailingObjects<bool>(), varlist_size());
```
?

https://github.com/llvm/llvm-project/pull/129938