aaron.ballman added a comment. > This allows standard libraries to mark symbols as extensions, so the compiler > can generate extension warnings when they are used.
Huh, so this is basically the opposite of the `__extension__` macro (which is used to silence extension warnings)? I don't think we need to introduce a new attribute to do this, we already have `diagnose_if`. e.g., https://godbolt.org/z/a5ae4T56o would that suffice? Repository: rG LLVM Github Monorepo CHANGES SINCE LAST ACTION https://reviews.llvm.org/D157572/new/ https://reviews.llvm.org/D157572 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
