r246621 - in /trunk/gcc: c-family/ChangeLog c-f...

[jakub@gcc.gnu.org]

Author: jakub
Date: Fri Mar 31 18:39:25 2017
New Revision: 246621

URL: https://gcc.gnu.org/viewcvs?rev=246621&root=gcc&view=rev
Log:
	PR c++/79572
	* c-ubsan.h (ubsan_maybe_instrument_reference): Change argument to
	tree *.
	* c-ubsan.c (ubsan_maybe_instrument_reference): Likewise.  Handle
	not just NOP_EXPR to REFERENCE_TYPE, but also INTEGER_CST with
	REFERENCE_TYPE.

	* cp-gimplify.c (cp_genericize_r): Sanitize INTEGER_CSTs with
	REFERENCE_TYPE.  Adjust ubsan_maybe_instrument_reference caller
	for NOP_EXPR to REFERENCE_TYPE.

	* g++.dg/ubsan/null-8.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/ubsan/null-8.C
Modified:
    trunk/gcc/c-family/ChangeLog
    trunk/gcc/c-family/c-ubsan.c
    trunk/gcc/c-family/c-ubsan.h
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/cp-gimplify.c
    trunk/gcc/testsuite/ChangeLog