r252286 - in /branches/range-gen2/gcc: ChangeLo...

Wed Sep 13 16:27:00 GMT 2017

Author: aldyh
Date: Wed Sep 13 16:27:46 2017
New Revision: 252286

URL: https://gcc.gnu.org/viewcvs?rev=252286&root=gcc&view=rev
Log:
2017-08-04  Richard Biener  <rguenther@suse.de>

	PR middle-end/81705
	* fold-const.c (fold_binary_loc): Properly restrict
	minus_var0 && minus_var1 case when associating undefined overflow
	entities.

	* c-c++-common/ubsan/pr81705.c: New testcase.

Added:
    branches/range-gen2/gcc/testsuite/c-c++-common/ubsan/pr81705.c
Modified:
    branches/range-gen2/gcc/ChangeLog
    branches/range-gen2/gcc/fold-const.c
    branches/range-gen2/gcc/testsuite/ChangeLog