message: layer.box op may contain side effects; do not tag NoSideEffect
diff: @@ -17,7 +17,7 @@ class LayerOp<string mnemonic, list<OpTrait> traits = []>
  }
  -def BoxOp : LayerOp<"box", [NoSideEffect, IsolatedFromAbove]> {
  +def BoxOp : LayerOp<"box", [IsolatedFromAbove]> {
  let summary = "layer container operation";
  let arguments = (ins
  Variadic<AnyType>:$operands,
  