On Mon, Mar 27, 2023 at 2:30 AM Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote: > > On Sat, Mar 25, 2023 at 01:54:16AM -0700, Dan Li wrote: > > > In the compiler part[4], most of the content is the same as Sami's > > implementation[3], except for some minor differences, mainly including: > > > > 1. The function typeid is calculated differently and it is difficult > > to be consistent. > > This means there is an effective ABI break between the compilers, which > is sad :-( Is there really nothing to be done about this? I agree, this would be unfortunate, and would also be a compatibility issue with rustc where there's ongoing work to support clang-compatible CFI type hashes: https://github.com/rust-lang/rust/pull/105452 Sami
