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2006-06-09 Richard Guenther <rguenther@suse.de> PR tree-optimization/26998 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR of signed types, only TYPE_MIN_VALUE is special, but for both, minimum and maximum value. Likewise VR_ANTI_RANGE is special in this case, as is -fwrapv. * gcc.dg/torture/pr26998.c: New testcase. * gcc.dg/tree-ssa/vrp29.c: New testcase. From-SVN: r114507
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