What would break if class was merged with struct

[Ola Fosheim Grøstad via Digitalmars-d]

On Saturday, 27 May 2017 at 18:44:03 UTC, Stanislav Blinov wrote:
> On Saturday, 27 May 2017 at 18:13:52 UTC, Ola Fosheim Grøstad 
> wrote:
>
>>> Or did we leave behind your original question?
>>
>> No. I am talking about language semantics. Are the semantics 
>> for class and struct conflicting or can they be merged?
>>
>> That is the question.
>>
>> I am talking about the language, as specified, not the 
>> implementation.
>
> Ahem. As specified, classes are reference types, struct aren't. 
> What more is there to say?

Structs are reference types too. The specification is wrong.