throw("runtime.SetFinalizer: second argument is " + toRType(ftyp).string() + ", not a function")
	}
	ft := (*functype)(unsafe.Pointer(ftyp))
	if ft.IsVariadic() {
		throw("runtime.SetFinalizer: cannot pass " + toRType(etyp).string() + " to finalizer " + toRType(ftyp).string() + " because dotdotdot")
	}
	if ft.InCount != 1 {
		throw("runtime.SetFinalizer: cannot pass " + toRType(etyp).string() + " to finalizer " + toRType(ftyp).string())
	}

                                     OpBuilder &builder) {
  auto broadcast_dims = GetI64ElementsAttr({feature_dim}, &builder);
  auto to_type = mlir::cast<RankedTensorType>(broadcast_to.getType());
  auto result_shape = builder.create<shape::ShapeOfOp>(loc, broadcast_to);
  auto result_extents_type = GetExtentsTensorTypeFor(to_type);
  auto result_extents = builder.create<shape::ToExtentTensorOp>(
      loc, result_extents_type, result_shape);