fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is positive if its first argument is positive.
2005-08-02 Richard Guenther <rguenther@suse.de> * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is positive if its first argument is positive. From-SVN: r102657
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