ziqingluo-90 added a comment. In D137379#4225000 <https://reviews.llvm.org/D137379#4225000>, @manojgupta wrote:
> This is firing even in checked length codes, is that expected? Yes, it is expected. The unsafe buffer analysis is syntax-based. The analysis warns operations that do not follow the buffer-safe programming model we are suggesting. The programming model prohibits pointer arithmetic. In the model, pointer arithmetic and buffer access can be done using hardened libc++ facilities such as `std::span`. More information about the analysis and the programming model can be found at https://discourse.llvm.org/t/rfc-c-buffer-hardening/65734. To suppress the warning, you can either turn the analysis off using `-Wno-unsafe-buffer-usage` or put code in a pair of opt-out pragmas `#pragma clang unsafe_buffer_usage begin` & `#pragma clang unsafe_buffer_usage end` Repository: rG LLVM Github Monorepo CHANGES SINCE LAST ACTION https://reviews.llvm.org/D137379/new/ https://reviews.llvm.org/D137379 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
