On 2014-04-22 17:52:27 +0000, "Steven Schveighoffer" <[email protected]> said:

Even doing it the way they have seems unnecessarily complex, given that
iOS 64-bit was brand new.

Perhaps it's faster that way due to some caching effect. Or perhaps it's to be able to have static constant string objects in the readonly segments.

Apple could always change their mind and add another field for the reference count. The Modern runtime has non-fragile classes, so you can change the base class layout breaking ABI compatibility.

--
Michel Fortin
[email protected]
http://michelf.ca

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