Re: Using empty_string as the only "" string

[Andreas Schwab]

David Kastrup <address@hidden> writes:

> Andreas Schwab <address@hidden> writes:
>
>> Kenichi Handa <address@hidden> writes:
>>
>>> In article <address@hidden>, Andreas Schwab <address@hidden> writes:
>>>
>>>> Since you can't modify the empty string there is no contradiction.
>>>
>>> You can modify the multibyteness of an empty string,
>>
>> Good point, that makes the optimisation indeed invalid.
>
> How can one modify the multibyteness of any string object?  As far as
> I can see, one can only create copies with a different multibicity.

Not any more with the proposed change in make_uninit_multibyte_string.

Andreas.

-- 
Andreas Schwab, SuSE Labs, address@hidden
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