message: Fixed shadowing warning in older gcc for vector_delimited
diff: @@ -289,12 +289,12 @@ struct ToStringVisitor : public IterationVisitor {
  size_t indent_level;
  bool vector_delimited;
  ToStringVisitor(std::string delimiter, bool quotes, std::string indent,
  - bool vector_delimited = true)
  + bool vdelimited = true)
  : d(delimiter),
  q(quotes),
  in(indent),
  indent_level(0),
  - vector_delimited(vector_delimited) {}
  + vector_delimited(vdelimited) {}
  ToStringVisitor(std::string delimiter)
  : d(delimiter),
  q(false),
  