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Commit d53bed0b authored by Richard Guenther's avatar Richard Guenther Committed by Richard Biener
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re PR tree-optimization/43783 (-O -ftree-pre options compile libbid wrong) 

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.

From-SVN: r158517
parent 90f775a9
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