2014-03-18 Richard Biener <rguenther@suse.de>

2014-03-18  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2013-11-05  Richard Biener  <rguenther@suse.de>

	PR middle-end/58941
	* tree-dfa.c (get_ref_base_and_extent): Merge common code
	in MEM_REF and TARGET_MEM_REF handling.  Make sure to
	process trailing array detection before diving into the
	view-converted object (and possibly apply some extra offset).

	* gcc.dg/torture/pr58941.c: New testcase.

	2012-05-07  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-dfa.c (get_ref_base_and_extent) <ARRAY_REF>: Do the offset
	computation using the precision of the index type.

	2012-05-31  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-dfa.c (get_ref_base_and_extent): Compute the offset using
	double ints throughout.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@208640 138bc75d-0d04-0410-961f-82ee72b054a4