public override BoundNode VisitSpillSequence(BoundSpillSequence node)
{
var builder = new BoundSpillSequenceBuilder();
// Ensure later errors (e.g. in async rewriting) are associated with the correct node.
_F.Syntax = node.Syntax;
builder.AddStatements(VisitList(node.SideEffects));
builder.AddLocals(node.Locals);
var value = VisitExpression(ref builder, node.Value);
return(builder.Update(value));
}