r254754 - in /trunk/gcc: cp/ChangeLog cp/decl.c...

[marxin@gcc.gnu.org]

Author: marxin
Date: Wed Nov 15 07:01:01 2017
New Revision: 254754

URL: https://gcc.gnu.org/viewcvs?rev=254754&root=gcc&view=rev
Log:
Zero vptr in dtor for -fsanitize=vptr.

2017-11-15  Martin Liska  <mliska@suse.cz>

	* decl.c (begin_destructor_body): In case of VPTR sanitization
	(with disabled recovery), zero vptr in order to catch virtual calls
	after lifetime of an object.
2017-11-15  Martin Liska  <mliska@suse.cz>

	* g++.dg/ubsan/vptr-12.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/ubsan/vptr-12.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/decl.c
    trunk/gcc/testsuite/ChangeLog