[Bug sanitizer/70147] [6 Regression] testcase from hana testsuite gets miscompiled with -fsanitize=undefined

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70147

--- Comment #22 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Wed Mar 16 07:02:30 2016
New Revision: 234249

URL: https://gcc.gnu.org/viewcvs?rev=234249&root=gcc&view=rev
Log:
        PR c++/70147
        * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Conditionalize
        BINFO_VIRTUAL_P vtable clearing on current_in_charge_parm.

        * g++.dg/ubsan/pr70147-2.C (C::C): Initialize A base with invalid
        method call to i () as argument.  Adjust expected output.

Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/cp-ubsan.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/g++.dg/ubsan/pr70147-2.C