re PR tree-optimization/69270 (DOM should exploit range information to create more...

re PR tree-optimization/69270 (DOM should exploit range information to create more equivalences)

       PR tree-optimization/69270
        * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
        single bit of precision, verify it's also unsigned.
        (record_edge_info): Use constant_boolean_node rather than fold_convert
        to convert boolean_true/boolean_false to the right type.

From-SVN: r232399