leonardchan added a comment. In D152405#4404596 <https://reviews.llvm.org/D152405#4404596>, @mcgrathr wrote:
> It's not clear from the change description if this can be enabled > orthogonally to relative-vtables. I think it should be possible to choose > each switch independently, thus generating 4 variants of the vtable layout > ABI. Oh this is completely independent from relative vtables. I'll update the wording. > Does any runtime code (libc++abi) ever need to know the vtable layout details > when actually making use of RTTI, such that it would need to adapt to this > ABI change? `__dynamic_cast` is the only thing that comes to mind, but since this is gated on `-fno-rtti` where dynamic_cast is disabled, then I think libc++abi doesn't need to worry about this. Repository: rG LLVM Github Monorepo CHANGES SINCE LAST ACTION https://reviews.llvm.org/D152405/new/ https://reviews.llvm.org/D152405 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
