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author	rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
	Mon, 19 Apr 2010 13:36:54 +0000 (13:36 +0000)
committer	rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
	Mon, 19 Apr 2010 13:36:54 +0000 (13:36 +0000)
commit	d6b951b8385a0bee6adb0f364f01b38d22ff21ea
tree	abc95b452bb0ec3c0f5823a4ec430430ab30b999	tree \| snapshot
parent	1870b3a03c94040a9afddf30f8a0cc91e138b981	commit \| diff

2010-04-19 Richard Guenther <rguenther@suse.de>

PR tree-optimization/43783
* tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
constant ARRAY_REF operands two and three if possible.

* gcc.c-torture/execute/pr43783.c: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@158517 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/ChangeLog		diff \| blob \| history
gcc/testsuite/ChangeLog		diff \| blob \| history
gcc/testsuite/gcc.c-torture/execute/pr43783.c	[new file with mode: 0644]	blob
gcc/tree-ssa-pre.c		diff \| blob \| history

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