https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87095
--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Author: jakub Date: Wed Aug 29 21:43:18 2018 New Revision: 263967 URL: https://gcc.gnu.org/viewcvs?rev=263967&root=gcc&view=rev Log: PR c++/87095 * decl.c (begin_destructor_body): If current_class_type has virtual bases and the primary base is nearly empty virtual base, voidify clearing of vptr and make it conditional on in-charge argument. * g++.dg/ubsan/vptr-13.C: New test. Added: trunk/gcc/testsuite/g++.dg/ubsan/vptr-13.C Modified: trunk/gcc/cp/ChangeLog trunk/gcc/cp/decl.c trunk/gcc/testsuite/ChangeLog