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2006-06-08 Richard Guenther <rguenther@suse.de> PR middle-end/27116 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR only, if overflow is defined and not trapping. (negate_expr): Likewise. * gcc.dg/torture/pr27116.c: New testcase. * gcc.dg/pr15785-1.c: Remove test for invalid transformation. From-SVN: r114483
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