https://github.com/Sirraide commented:
My understanding of this is that `llvm.launder.invariant.group` doesn't have the semantics that `std::start_lifetime_as` requires, and the implementation of this feature needs to wait until we have a corresponding LLVM builtin. https://github.com/llvm/llvm-project/pull/196502 _______________________________________________ cfe-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
