r256792 - in /branches/gcc-7-branch/gcc: Change...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Wed Jan 17 12:51:07 2018
New Revision: 256792

URL: https://gcc.gnu.org/viewcvs?rev=256792&root=gcc&view=rev
Log:
2018-01-17  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2017-12-18  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/81877
	* tree-ssa-loop-im.c (ref_indep_loop_p): Remove safelen parameters.
	(outermost_indep_loop): Adjust.
	(ref_indep_loop_p_1): Likewise.  Remove safelen handling again.
	(can_sm_ref_p): Adjust.

	* g++.dg/torture/pr81877.C: New testcase.
	* g++.dg/vect/pr70729.cc: XFAIL.
	* g++.dg/vect/pr70729-nest.cc: XFAIL.

	2017-12-08  Richard Biener  <rguenther@suse.de>

	PR middle-end/81782
	* tree-ssa-uninit.c (warn_uninitialized_vars): Properly
	handle accesses outside of zero-sized vars.

	* gcc.dg/uninit-pr81782.c: New testcase.

Added:
    branches/gcc-7-branch/gcc/testsuite/g++.dg/torture/pr81877.C
    branches/gcc-7-branch/gcc/testsuite/gcc.dg/uninit-pr81782.c
Modified:
    branches/gcc-7-branch/gcc/ChangeLog
    branches/gcc-7-branch/gcc/testsuite/ChangeLog
    branches/gcc-7-branch/gcc/testsuite/g++.dg/vect/pr70729-nest.cc
    branches/gcc-7-branch/gcc/testsuite/g++.dg/vect/pr70729.cc
    branches/gcc-7-branch/gcc/tree-ssa-loop-im.c
    branches/gcc-7-branch/gcc/tree-ssa-uninit.c