Akim Demaille 7ab25ad020 C++: remove useless copy-constructor ...

We currently generate copy constructors such as the following
one (taken from examples/variant.yy):

    parser::stack_symbol_type::stack_symbol_type (const stack_symbol_type& that)
      : super_type (that.state, that.location)
    {
      switch (that.type_get ())
      {
        case 3: // TEXT
        case 8: // item
          value.copy< ::std::string > (that.value);
          break;

        case 7: // list
          value.copy< ::std::vector<std::string> > (that.value);
          break;

        case 4: // NUMBER
          value.copy< int > (that.value);
          break;

        default:
          break;
      }
    }

they are actually useless: we never need it.

* data/lalr1.cc: Don't generate the stack_symbol_type copy ctor.

2018-08-14 06:17:21 +02:00

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