r212400 - in /trunk/gcc: c-family/ChangeLog c-f...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Wed Jul  9 17:14:11 2014
New Revision: 212400

URL: https://gcc.gnu.org/viewcvs?rev=212400&root=gcc&view=rev
Log:
2014-07-09  Richard Biener  <rguenther@suse.de>

	PR c-family/61741
	* c-gimplify.c (c_gimplify_expr): Gimplify self-modify expressions
	using unsigned arithmetic if overflow does not wrap instead of
	if overflow is undefined.

	* c-c++-common/torture/pr61741.c: New testcase.

Added:
    trunk/gcc/testsuite/c-c++-common/torture/pr61741.c
Modified:
    trunk/gcc/c-family/ChangeLog
    trunk/gcc/c-family/c-gimplify.c
    trunk/gcc/testsuite/ChangeLog