Akim Demaille 1113522acb c++: fix GCC8 warnings about uninitialized values ...

In 0931d14728 I removed too many
initializations from some ctors: some were not about base ctors, but
about member variables.  In fact, more of them were missing to please
GCC 8.

While at it, generate more natural code for C++ without variant:
instead of

    template <typename Base>
    parser::basic_symbol<Base>::basic_symbol (const basic_symbol& other)
      : Base (other)
      , value ()
    {
      value = other.value
    }

generate

    template <typename Base>
    parser::basic_symbol<Base>::basic_symbol (const basic_symbol& other)
      : Base (other)
      , value (other.value)
    {}

* data/c++.m4 (basic_symbol::basic_symbol): Always initialize 'value',
it might be a POD without a ctor.
* data/lalr1.cc (stack_symbol_type::stack_symbol_type): Likewise.
* data/variant.hh (variant::variant): Default initialize the buffer too.

2018-08-15 20:24:16 +02:00

18 KiB

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