[Patch] Implementation of n3793 <experimental/optional>

[Andreas Schwab]

Jonathan Wakely <jwakely.gcc@gmail.com> writes:

> +  {
> +    std::experimental::optional<long> o { std::experimental::in_place, 0x1234ABCDF1E2D3C4 };
> +    auto copy = o;
> +    VERIFY( copy );
> +    VERIFY( *copy == 0x1234ABCDF1E2D3C4 );
> +    VERIFY( o && o == 0x1234ABCDF1E2D3C4 );
> +  }

experimental/optional/cons/copy.cc:70:20: error: no match for 'operator==' (operand types are 'std::experimental::optional<long int>' and 'long long int')
     VERIFY( o && o == 0x1234ABCDF1E2D3C4 );
                    ^

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
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