r235637 - in /trunk/gcc: ChangeLog fold-const.c...

[mpolacek@gcc.gnu.org]

Author: mpolacek
Date: Fri Apr 29 12:32:45 2016
New Revision: 235637

URL: https://gcc.gnu.org/viewcvs?rev=235637&root=gcc&view=rev
Log:
	PR sanitizer/70342
	* fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
	TARGET_EXPR_SLOT as a base.

	* g++.dg/ubsan/null-7.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/ubsan/null-7.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/fold-const.c
    trunk/gcc/testsuite/ChangeLog