r216236 - in /branches/gcc-4_9-branch/gcc: Chan...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Wed Oct 15 07:37:20 2014
New Revision: 216236

URL: https://gcc.gnu.org/viewcvs?rev=216236&root=gcc&view=rev
Log:
2014-10-15  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2014-08-15  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/62031
	* tree-data-ref.c (dr_analyze_indices): Do not set
	DR_UNCONSTRAINED_BASE.
	(dr_may_alias_p): All indirect accesses have to go the
	formerly DR_UNCONSTRAINED_BASE path.
	* tree-data-ref.h (struct indices): Remove
	unconstrained_base member.
	(DR_UNCONSTRAINED_BASE): Remove.

	* gcc.dg/torture/pr62031.c: New testcase.

Added:
    branches/gcc-4_9-branch/gcc/testsuite/gcc.dg/torture/pr62031.c
Modified:
    branches/gcc-4_9-branch/gcc/ChangeLog
    branches/gcc-4_9-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_9-branch/gcc/tree-data-ref.c
    branches/gcc-4_9-branch/gcc/tree-data-ref.h