eugenis added a comment. Looking at __sanitizer_dtor_callback implementation, this change will add a (fast) stack unwind in every destructor. In extreme cases (like a tight loop doing string operations) it could be bad for performance. I've seen ~15% AFAIR.
https://reviews.llvm.org/D37860 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits