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As the comment in the code already indicated DWARF2 does provide DW_FORM_sdata/DW_FORM_udata to represent signed/unsigned data. Enumeration constants wider than HOST_WIDE_INT are already handled separately. Those constant values that do fit a HOST_WIDE_INT can be encoded as signed or unsigned depending on type and value for more efficient encoding. * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_const_value as unsigned or int depending on type and value used. From-SVN: r209424
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