Merge commit 'fedac3bdb838' from llvm.org/main into next

Author: git apple-llvm automerger

mlir/lib/Dialect/Vector/Transforms/VectorEmulateNarrowType.cpp

@@ -332,6 +332,8 @@ static Value dynamicallyInsertSubVector(RewriterBase &rewriter, Location loc,
   auto destVecTy = cast<VectorType>(dest.getType());
   assert(srcVecTy.getRank() == 1 && destVecTy.getRank() == 1 &&
          "expected source and dest to be rank-1 vector types");
+  (void)srcVecTy;
+  (void)destVecTy;
   assert(numElemsToInsert > 0 &&
          "the number of elements to insert must be greater than 0");
   // NOTE: We are unable to take the offset into account in the following