[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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@@ -3678,6 +3678,9 @@ class OMPReductionClause final
   /// Name of custom operator.
   DeclarationNameInfo NameInfo;
 
+  /// Private variable reduction flag
+  llvm::SmallVector<bool, 8> IsPrivateVarReductionFlags;
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alexey-bataev wrote:

No SmallVector is allowed here, use tail-allocated storage for extra members (`llvm::TrailingObjects`)

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