> On Oct 4, 2016, at 5:54 PM, John McCall <[email protected]> wrote:
[…]
> What we did for ARM64 seems like the right basic approach: the type_info
> object records whether it's unique or non-unique, and non-unique RTTI just
> falls back on string-based comparisons / hashes. The type_info is unique if
> and only if it's for a fundamental type in the ABI library or a polymorphic
> class with a key function.
That sounds pretty good, but can it be done in a backward-compatible way? I’m
guessing not, but perhaps it’s “close enough”?
Daveed
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