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Commit a6d5f37c authored by Richard Guenther's avatar Richard Guenther Committed by Richard Biener
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re PR middle-end/30364 (Wrong variable ranges due to constant folding) 

2007-02-28  Richard Guenther  <rguenther@suse.de>

	PR middle-end/30364
	* fold-const.c (fold_binary): Do not associate expressions
	with more than one variable for integer types that do not wrap.

	* gcc.dg/torture/pr30364-1.c: New testcase.
	* gcc.dg/torture/pr30364-2.c: Likewise.
	* gcc.dg/torture/pr30364-3.c: Likewise.

From-SVN: r122414
parent cfac1376
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