================ @@ -0,0 +1,50 @@ +.. title:: clang-tidy - bugprone-virtual-arithmetic + +bugprone-virtual-arithmetic +=========================== + +Warn if pointer arithmetic is performed on a class that declares a +virtual function. + +Pointer arithmetic on polymorphic objects where the pointer's static type is +different from its dynamic type is undefined behavior. +Finding pointers where the static type contains a virtual member function is a +good heuristic, as the pointer is likely to point to a different, derived class. + +This check corresponds to the SEI Cert rule `CTR56-CPP: Do not use pointer arithmetic on polymorphic objects <https://wiki.sei.cmu.edu/confluence/display/cplusplus/CTR56-CPP.+Do+not+use+pointer+arithmetic+on+polymorphic+objects>`_. ---------------- EugeneZelenko wrote:
Should be at the end. https://github.com/llvm/llvm-project/pull/91951 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
