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author	rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
	Mon, 18 Feb 2013 13:46:37 +0000 (13:46 +0000)
committer	rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
	Mon, 18 Feb 2013 13:46:37 +0000 (13:46 +0000)
commit	14c24ce309fcd5a51156074858105ca4eb519283
tree	1a63639d16c9ea5810104902b196015581087200	tree \| snapshot
parent	01634bd9ccc5b2b5ed1b6ecbd15f51be8b908a0a	commit \| diff

2013-02-18  Richard Biener  <rguenther@suse.de>

Revert
2013-02-04  Richard Biener  <rguenther@suse.de>

Backport from mainline
2012-07-04  Richard Guenther  <rguenther@suse.de>

PR tree-optimization/53844
* tree-ssa-dse.c (dse_possible_dead_store_p): Properly handle
the loop virtual PHI.

* g++.dg/tree-ssa/pr53844.C: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@196120 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/ChangeLog		diff \| blob \| history
gcc/testsuite/ChangeLog		diff \| blob \| history
gcc/testsuite/g++.dg/tree-ssa/pr53844.C	[deleted file]	blob \| history
gcc/tree-ssa-dse.c		diff \| blob \| history

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