[flang] [llvm] [mlir] [flang][MLIR][OpenMP] make reduction by-ref toggled per variable (PR #92244)

[Kiran Chandramohan via llvm-commits]

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@@ -467,6 +468,10 @@ struct ParallelOpLowering : public OpRewritePattern<scf::ParallelOp> {
           wsloopOp.setReductionsAttr(
               ArrayAttr::get(rewriter.getContext(), reductionDeclSymbols));
           wsloopOp.getReductionVarsMutable().append(reductionVariables);
+          llvm::SmallVector<bool> byRefVec;
+          byRefVec.resize(reductionVariables.size(), false);
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kiranchandramohan wrote:

Nit: Add a comment why this is all `false`.

https://github.com/llvm/llvm-project/pull/92244