Fix asan error uncovered after landing D145133.

mlir/lib/Dialect/Linalg/Transforms/Tiling.cpp

FailureOr<linalg::ForallReductionTilingResult> linalg::tileReductionUsingForall(
   SmallVector<OpFoldResult> tiledOffsets, tiledSizes;
   calculateTileOffsetsAndSizes(b, loc, forallOp, numThreads, iterationDomain,
                                /*omitTileOffsetBoundsCheck =*/false,
                                /*nominalTileSizes=*/std::nullopt, tiledOffsets,
                                tiledSizes);
 
   // 4. Clone the tileable op and update its destination operands to use the
   // output bbArgs of the ForallOp.
-  ValueRange tilingResults;
+  SmallVector<Value> tilingResults;
   ArrayRef<BlockArgument> destBbArgs = forallOp.getOutputBlockArguments();
   {
     // 4.a. RAII guard, inserting within forallOp, before terminator.
     OpBuilder::InsertionGuard g(b);
     b.setInsertionPoint(forallOp.getTerminator());
 
     SmallVector<Value> tiledDpsInitOperands;
     for (OpOperand *initOperand : destinationStyleOp.getDpsInitOperands()) {