r249407 - in /trunk/gcc: ChangeLog fold-const.c...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Tue Jun 20 12:46:46 2017
New Revision: 249407

URL: https://gcc.gnu.org/viewcvs?rev=249407&root=gcc&view=rev
Log:
2017-06-20  Richard Biener  <rguenther@suse.de>

	PR middle-end/81097
	* fold-const.c (split_tree): Fold to type before negating.

	* c-c++-common/ubsan/pr81097.c: New testcase.

Added:
    trunk/gcc/testsuite/c-c++-common/ubsan/pr81097.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/fold-const.c
    trunk/gcc/testsuite/ChangeLog